🔍 牛津詞典 🎯
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
TOEFL IELTS BNC: 1194 COCA: 1275

strength

noun
/streŋkθ/
/streŋkθ/
Word Family
  • strong adjective
  • strongly adverb
  • strength noun
  • strengthen verb
Idioms
jump to other results

    being physically strong强壮;牢固

  1. [uncountable, singular] the quality of being physically strong体力;力气;力量
    • He pushed against the rock with all his strength.他用全力推那块石头。
    • It may take a few weeks for you to build up your strength again.可能需要几个星期你才能恢复体力。
    • She gradually regained strength in her legs.她逐渐恢复了腿部力量。
    • He had a physical strength that matched his outward appearance.他的体力与外形相称。
    • strength to do something She didn't have the strength to walk any further.她再也走不动了。
    opposite weakness (1)
    Extra Examples
    • He got the door open with brute strength.他用蛮力打开了门。
    • He had just enough strength to reach for the phone.他只剩下伸手去够电话的力气了。
    • She threw the rope with all her strength.她使出全身气力扔出了绳子。
    • The series of steep hills sapped the cyclists' strength.一连串的陡峭山坡耗尽了骑车人的气力。
    • The Moroccan athlete ran a fast lap to test the strength of the other runners.摩洛哥运动员快跑了一圈,以试探其他选手的实力。
    • She summoned up every ounce of strength she possessed.她使出了所有的力量。
    • She pushed him away with unexpected strength.她一下推开了他,力气之大出乎意料。
    • It's well known that cycling builds leg strength.众所周知,蹬自行车能增强腿部力量。
    • It took all his strength to open the box.他使出全部力气才打开那个盒子。
    • I'm trying to summon up the strength to do some more work.我试图鼓足力气再干些活儿。
    • I'm still not quite back to full strength after my illness.我生病后体力还没完全恢复。
    • His superior physical strength won him the title.他夺冠靠的是超群的体力。
    • They believe their combined strength will overwhelm the competition.他们相信他们团结起来将会赢得比赛。
    • Her strength was ebbing fast, so her children were called to her bedside.她的气力在迅速消减,因此孩子们被叫到她床边。
    • He used to entertain people with his feats of strength.他过去常以力量特技表演娱乐观众。
    • The fitness program will help you maintain your strength and endurance.健身计划将帮助你保持力量和耐力。
    • Pilates will build up muscle strength.普拉提会增强肌肉力量。
    • These exercises are a great way to increase strength while maintaining flexibility.这些练习是在保持灵活性的同时增加力量的好方法。
    • Older adults need strength training to keep their muscle mass and their bone density.老年人需要力量训练来保持肌肉质量和骨密度。
    • Bicep curls develop arm strength.二头肌卷曲发展手臂力量。
    Topics Health and Fitnessb1
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  2. [uncountable] the ability that something has to resist force or hold heavy weights without breaking or being damaged强度
    • the strength of a rope绳子的强度
    • The panels are reinforced with steel for extra strength.面板用钢加固以增加强度。
    see also industrial-strength
    Extra Examples
    • The steel adds tensile strength to the concrete.钢增加了混凝土的抗张强度。
    • The metal reinforcement gives it the strength to resist the high winds.金属补强使它有力量抵抗强风。
    • The material has exceptionally high strength for its weight.这种材料的质量强度比格外高。
    • The shape provides maximum size and strength, using minimum steel.该形状使用最少的钢材提供最大的尺寸和强度。
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  3. being brave勇敢

  4. [uncountable, singular] the quality of being brave and determined in a difficult situation毅力;坚强决心;意志力量
    • During this ordeal he was able to draw strength from his faith.在这次磨难中,他得以从自己的信仰中吸取力量。
    • She has a remarkable inner strength.她有非凡的意志力。
    • You have shown great strength of character.你表现得很有毅力。
    opposite weakness (2)
    Extra Examples
    • My childhood memories were a great source of strength to me after my parents died.父母去世后,我童年的记忆对我来说是一种巨大的力量。
    • Their reaction was so encouraging it gave me the strength to carry on.他们的反应如此令人鼓舞,给了我继续前进的力量。
    • She was able to draw on her immense inner strength.她能够吸取内心深处的巨大力量。
    • I draw great strength from the support of my family.家人的支持使我获得极大的力量。
    • When she had twins, she discovered reserves of strength that she didn't know she had.有了双胞胎之后,她发现自己拥有此前根本没意识到的潜能。
    • Her love and support gave me the strength and the courage to persevere.她的爱和支持给了我坚持下去的力量和勇气。
    • He put all his strength into reorganizing the department.他把所有的精力都用到部门改组上了。
    • She took strength from the amount of people who turned up to the funeral.她从出席葬礼的人数中汲取力量。
    • Thank you for being such a pillar of strength.谢谢你成为这样的力量支柱。
    • After she died, I found strength in so many small things. 她死后,我在那么多小事中找到了力量。
    • The situation tested the strength of her faith.这种情况考验了她的信念的力量。
    • “Give me strength!” she said under her breath.“给我力量!她低声说。
    Topics Personal qualitiesb2
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  5. power/influence实力;势力

  6. [uncountable] the power and influence that somebody/something has实力
    • Political power depends upon economic strength.政治权力取决于经济实力。
    • Their superior military strength gives them a huge advantage.他们军事实力较强,占有巨大优势。
    • to negotiate from a position of strength以实力地位谈判
    • The rally was intended to be a show of strength by the socialists.社会主义者组织这次集会意在显示力量。
    opposite weakness (2)
    Extra Examples
    • The country's economic strength is declining.该国的经济实力在下降。
    • Today's vote is being seen as a test of strength for the government.今天的投票被看成是对政府实力的考验。
    • Her unwillingness to answer questions undermined the strength of her position.她不愿意回答问题,这使她地位不稳。
    • The dispute developed into a trial of strength between management and the union.这场纠纷演变成了资方与工会之间实力的较量。
    • The party are gaining political strength.该党正在获得政治力量。
    • Consumer price falls will depend on the strength and speed of the economic recovery.消费者价格的下跌将取决于经济复苏的力度和速度。
    • The film has a power and strength that gets you involved in the story.这部电影有一种力量和力量让你参与到故事中来。
    • The prosecution lawyer emphasized the strength of the evidence against him.起诉律师强调了对他不利的证据的力度。
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  7. of opinion/feeling意见;感情

  8. [uncountable] how strong or deeply felt an opinion or a feeling is强烈程度;深度
    • the strength of public opinion公众舆论的强烈程度
    • This view has recently gathered strength (= become stronger or more widely held).这种观点近来已为更多人接受了。
    • I was surprised by the strength of her feelings.她感情之强烈让我吃惊。
    • I have been overwhelmed by the strength of feeling that people have about this issue.人们对这个问题的强烈感觉让我不知所措。
    Extra Examples
    • The opinion that the president should stand down has gained considerable strength.总统应该下台的观点已经获得大量的支持。
    • The council should be aware of the strength of public opinion on homelessness.委员会应该意识到公众对无家可归问题的强烈意见。
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  9. advantage优势

  10. [countable] a quality or an ability that a person or thing has that gives them an advantage优势;优点;长处
    • The ability to keep calm is one of her many strengths.能够保持冷静是她的多项长处之一。
    • the strengths and weaknesses of an argument一个论点的有力之处与薄弱之处
    • The new weapon's strength lies in its accuracy.这种新武器的优势在于它的准确性。
    opposite weakness (3)
    Extra Examples
    • Consider all the strengths and weaknesses of the argument.仔细考虑这个论点所有的有力之处与薄弱之处。
    • What's your greatest strength?你最大的优势是什么?
    • We want to learn more about the relative strengths of our students.我们想更多地了解学生的相对优势在哪里。
    • Her great strength lies in her flexibility.她的极大优势在于她的灵活变通。
    • The company's key strength is its people.该公司的关键优势在于其人员。
    • The team may not have the best players, but it plays to its strengths.这个队也许没有最优秀的选手,但他们善于发挥自己的长处。
    • Her strength as an architect is in building design.她作为建筑师的优势在于建筑设计。
    • Each song shows the tremendous strength of the band.每首歌都显示了乐队的巨大力量。
    Oxford Collocations Dictionaryadjective
    • great
    • real
    • individual
    verb + strength
    • capitalize on
    • exploit
    • play to
    strength + verb
    • come from something
    • lie in something
    phrases
    • strengths and weaknesses
    See full entry
  11. of natural force自然力

  12. [uncountable] how strong a natural force or a signal is强度;力度
    • the strength of the sun太阳的强度
    • wind strength风力
    • the strength and direction of the tide潮水的流速与方向
    • The phone company aims to improve signal strength within buildings.电话公司打算提升建筑物内部的信号强度。
  13. of taste/substance

  14. [uncountable, countable] how strong a particular taste or substance is浓度;浓淡程度
    • Add more curry powder depending on the strength required.按所要求的口味轻重再加点咖喱粉。
    • a range of beers with different strengths (= with different amounts of alcohol in them)各种不同度数的啤酒
    • a packet of double-strength mints一包双倍浓度的薄荷糖
    • These wines vary in strength between 11° and 15°.这些酒的浓度在 11 度到 15 度之间。
  15. of currency货币

  16. [uncountable] strength (of something) (against something) how strong a country’s currency is in relation to other countries’ currencies 强弱(程度)
    • the relative strength of the euro against the dollar欧元对美元的相对强势
    • The euro has continued to gain strength.欧元继续走强。
    • the continuing strength of the pound英镑的持续坚挺
    opposite weakness (4)
  17. number in group群体人数多寡

  18. [uncountable] the number of people in a group, a team or an organization人数多寡;人力
    • The strength of the workforce is about to be doubled from 3 000 to 6 000.职工人数将翻一番,由 3 000 人增加到 6 000 人。
    • The team will be back at full strength (= with all the best players) for the next match.这支队在下场比赛将恢复最佳的阵容。
    • up to strength The Korean team was not up to strength for the final.韩国队决赛时人员不齐。
    • in strength The protesters turned out in strength (= in large numbers).抗议者大量聚集。
    • under/below strength These cuts have left the local police force under strength (= with fewer members than it needs).这几次裁减造成地方警力不足。
    Extra Examples
    • the numerical strength of the Chinese army中国军队的人数优势
    • US troop strength in Afghanistan dropped to 18 000.美国在阿富汗的兵力降至 18,000 人。
    • The orchestra was at full strength for the Mahler symphony.交响乐团全员演奏马勒的交响曲。
    • Injuries meant that the Dutch team was below strength for the final.有成员受伤意味着荷兰队决赛时人员不齐。
    • The Chilean team was below strength for the final.智利队决赛时人员不齐。
    Oxford Collocations Dictionaryadjective
    • considerable
    • enormous
    • great
    verb + strength
    • have
    • possess
    • lack
    strength + verb
    • grow
    • increase
    • decline
    preposition
    • up to strength
    • below strength
    • under strength
    phrases
    • at full strength
    • back to full strength
    • every ounce of strength
    See full entry
  19. Word OriginOld English strengthu, from the Germanic base of strong.
Idioms
go from strength to strength
  1. to become more and more successful越来越兴旺发达;不断取得成功
    • Since her appointment the department has gone from strength to strength.自她上任以来,这个部门越来越兴旺了。
    Topics Successc1
on the strength of something
  1. because somebody has been influenced or persuaded by something凭借(或根据)某事物;在某事物的影响下
    • I got the job on the strength of your recommendation.由于您的推荐,我得到了那份工作。
    • She hopes to secure a recording contract on the strength of these songs.她希望凭借这些歌曲获得一份录音合同。
strength in depth
  1. the quality of being strong because you have a great variety of good people, ideas, etc. that can contribute to the success of something体力;力气;力量
    • The French team does not have the strength in depth that the Australians have.法国队没有澳大利亚队有深度的实力。
there's strength in numbers
  1. (saying) being in a group gives you more power人数多寡;人力
    • There's strength in numbers, so encourage your friends and family to join us.人数众多,所以鼓励你的朋友和家人加入我们。
a tower of strength
  1. a person that you can rely on to help, protect and comfort you when you are in trouble(危难时的)可依靠的人,主心骨
    • He was a tower of strength to his sisters when their father died.父亲死后,他成了姊妹们的支柱。
TOEFL IELTS BNC: 1194 COCA: 1275
strength

noun¹

1how strong sb/sth is力量;強度ADJECTIVE | VERB + STRENGTH | STRENGTH + VERB | PREPOSITION | PHRASES ADJECTIVEconsiderable, enormous, great, immense, incredible, tremendous巨大的力量;極大的力量;驚人的力量high高強度The material has exceptionally high strength for its weight.這種材料的質量強度比格外高。greater, superior更強的/超強的力量His superior physical strength won him the title.他憑藉超強的體力贏得了冠軍。relative相對強度Profits have been helped by the relative strength of the euro against the dollar.歐元相對於美元較為堅挺,因此收益較高。maximum最大強度growing, increased不斷增加的/提高了的力量new-found新獲得的力量continuing持續的走強the continuing strength of the pound英鎊的持續堅挺surprising, unexpected令人驚奇的/出人意料的力量superhuman, supernatural超人的/超自然的力量brute, sheer蠻力He got the door open with brute strength.他用蠻力打開了門。extra外加的強度They are reinforced with steel for extra strength.產品都加了鋼,以增加強度。collective, combined, overall集體的力量;合力They believe their combined strength will overwhelm the competition.他們相信他們團結起來將會贏得比賽。numerical人數上的實力the numerical strength of the Chinese army中國軍隊的人數優勢emotional, inner, mental, spiritual情感/內心/心理/精神力量muscle, muscular, physical肌肉力量;體力tensile抗張強度The steel adds tensile strength to the concrete.鋼增加了混凝土的抗張強度。arm, leg臂力;腿部力量It's well known that cycling builds leg strength.眾所周知,蹬自行車能增強腿部力量。lower-body, upper-body下身/上身力量economic, electoral, financial, industrial, military經濟/競選/財政/工業/軍事實力police, troop, union, etc.警力、軍力、工會力量等US troop strength in Afghanistan dropped to 18 000.美國在阿富汗的兵力降至 18,000 人。bargaining (especially BrE) 談判實力wind風力signal信號強度The phone company aims to improve signal strength within buildings.電話公司打算提升建築物內部的信號強度。alcoholic酒精濃度VERB + STRENGTHhave, possess擁有/具有力量He had just enough strength to reach for the phone.他只剩下伸手去夠電話的力氣了。lack缺乏實力find, muster, summon, summon up獲得力量;匯聚力量;鼓足勁兒I'm trying to summon up the strength to do some more work.我試圖鼓足力氣再幹些活兒。draw, draw on, use吸取/利用/使用力量She was able to draw on her immense inner strength.她能夠吸取內心深處的巨大力量。put投入力量He put all his strength into reorganizing the department.他把所有的精力都用到部門改組上了。take花費力氣It took all his strength to open the box.他使出全部力氣才打開那個盒子。boost, build, build up, improve, increase增強力量;積累力量You need to try and build up your strength before the winter.你需要在冬季到來之前努力增強體力。I began taking gymnastics classes to boost my strength and flexibility.我開始上體操課,以增強體力和柔韌性。gain, gather獲得/聚集力量The opinion that the president should stand down has gained considerable strength.總統應該下台的觀點已經獲得大量的支持。gain in, grow in, increase in力量得以增加add增加力量conserve, maintain, save保存力量lose失去力量sap消耗力量The series of steep hills sapped the cyclists' strength.一連串的陡峭山坡耗盡了騎車人的氣力。get back, recover, regain恢復力氣;重獲力量give sb/sth, lend sb/sth給予⋯力量Her love and support gave me strength.她的愛和支持給了我力量。The metal reinforcement gives it the strength to resist the high winds.金屬補強使它有力量抵抗強風。reduce, undermine減少/削弱力量Her unwillingness to answer questions undermined the strength of her position.她不願意回答問題,這使她地位不穩。assess, measure, test評估/估量/測試實力The Moroccan athlete ran a fast lap to test the strength of the other runners.摩洛哥運動員快跑了一圈,以試探其他選手的實力。underestimate低估實力vary in濃度上有變化These wines vary in strength between 11% and 15%.這些酒的濃度在 11 度到 15 度之間。STRENGTH + VERBgrow, increase實力增加/增強decline, drain, drain away, ebb, ebb away, fade, fail, falter, wane實力減弱;力量耗盡;實力衰退The country's economic strength is declining.該國的經濟實力在下降。Her strength was ebbing fast, so her children were called to her bedside.她的氣力在迅速消減,因此孩子們被叫到她牀邊。return恢復實力PREPOSITIONup to strength達到所需人數The Korean team was not up to strength for the final.韓國隊決賽時人員不齊。below strength, under strength (both BrE) 人手不足The Chilean team was below strength for the final.智利隊決賽時人員不齊。with strength用力She pushed him away with unexpected strength.她一下推開了他,力氣之大出乎意料。strength in⋯的力量She gradually regained strength in her legs.她逐漸恢復了腿部力量。PHRASESat full strength以全員The orchestra was at full strength for the Mahler symphony.交響樂團全員演奏馬勒的交響曲。back to full strength完全恢復力量I'm still not quite back to full strength after my illness.我生病後體力還沒完全恢復。every ounce of strength每一分力量She summoned up every ounce of strength she possessed.她使出了所有的力量。draw strength from sth從⋯吸取力量I draw great strength from the support of my family.家人的支持使我獲得極大的力量。a feat of strength力量特技He used to entertain people with his feats of strength.他過去常以力量特技表演娛樂觀眾。a pillar of strength, a tower of strength支柱He was a tower of strength to his sisters when their father died.父親死後,他成了姊妹們的支柱。a position of strength強勢地位They are negotiating from a position of strength.他們在談判中處於強勢。reserves of strength潛在的力量When she had twins, she discovered reserves of strength that she didn't know she had.有了雙胞胎之後,她發現自己擁有此前根本沒意識到的潛能。a show of strength力量展示50 000 troops massed on the border in the biggest show of strength to date.有 5 萬軍隊集結到邊境上,這是迄今為止最大規模的實力展示。a source of strength力量的源泉Her childhood memories were a great source of strength when her mother was killed.母親被害後,童年的記憶成了她巨大的力量源泉。strength of character, strength of purpose, strength of will意志力;決心;毅力strength of feeling情感的強烈程度the strength of sb's position某人地位的影響力a test of strength, a trial of strength對實力的考驗Today's vote is being seen as a test of strength for the government.今天的投票被看成是對政府實力的考驗。The dispute developed into a trial of strength between management and the union.這場糾紛演變成了資方與工會之間實力的較量。with all your strength竭盡全力She threw the rope with all her strength.她使出全身氣力扔出了繩子。
strength

noun²

2useful quality有益的品質ADJECTIVE | VERB + STRENGTH | STRENGTH + VERB | PHRASES ADJECTIVEgreat強大的優勢What's your greatest strength?你最大的優勢是什麼?real真正的強項individual, personal, unique個人的長處;獨一無二的優勢combined聯合優勢relative相對優勢We want to learn more about the relative strengths of our students.我們想更多地瞭解學生的相對優勢在哪裏。core, key核心/關鍵優勢The company's key strength is its people.該公司的關鍵優勢在於其人員。VERB + STRENGTHcapitalize on, exploit, play to利用優勢;發揮優勢The team may not have the best players, but it plays to its strengths.這個隊也許沒有最優秀的選手,但他們善於發揮自己的長處。discover, identify發現/找到優勢STRENGTH + VERBcome from sth, lie in sth優勢來自⋯/在於⋯Her great strength lies in her flexibility.她的極大優勢在於她的靈活變通。PHRASESstrengths and weaknesses強項與弱點
TOEFL IELTS BNC: 1194 COCA: 1275
strength noun
strength (her inner strength) benefit1 (the strengths and weaknesses of the argument) force (physical strength)
strength

noun

strength ♦︎ resilience ♦︎ endurance ♦︎ stamina ♦︎ resistanceThese are all words for sb's ability to continue in a difficult situation or not to be affected by sth. 这些词均表示人的毅力、耐力、抵抗力。PATTERNS AND COLLOCATIONS 句型和搭配resilience / resistance to sththe strength / resilience / stamina to do sthgreat strength / resilience / endurance / staminaremarkable strength / resilience / endurancemental strength / endurance / staminato have strength / resilience / endurance / stamina / resistanceto show strength / resilience / enduranceto build up endurance / stamina / resistancesb's reserves of strength / resilience / stamina strength [uncountable, singular](in people) the quality of being brave and determined in a difficult situation 毅力;坚强决心;意志力量During his ordeal he was able to draw strength from his faith.在磨难中,他得以从自己的信仰中汲取力量。You have shown great strength of character.你表现得很有毅力。She has a remarkable inner strength.她有非凡的意志力。OPP weakness weakness 2 strong

adjective

It's difficult, I know, but be strong!我知道这不容易,不过你要坚强!
resilience rɪˈzɪliəns [uncountable, singular](in people and things) the ability not to be affected or to continue quickly after sth unpleasant, such as a shock, injury or disadvantage (人或事物遭受打击、伤痛或困难等后)快速恢复的能力,适应力This comeback says much for the resilience of the team.再度获得成功充分说明这支队伍的快速恢复能力。The industry has developed a resilience to the dips the national economy may take.该产业已经形成了一种对国民经济暂时衰退的适应力。 resilient

adjective

He'll get over it-young people are amazingly resilient.他会克服这些的-年轻人有惊人的适应力。
endurance ɪnˈdjʊərəns; NAmE ɪnˈdʊrəns [uncountable](in people) the ability to continue doing sth painful, unpleasant or difficult for a long period of time without complaining (人的)忍耐力,耐久力They were humiliated beyond endurance.他们被羞辱到忍无可忍的地步。This event tests both physical and mental endurance.这个比赛项目既是对体力也是对心理承受力的考验。She was almost at the limits of her endurance.她几乎坚持不住了。 see also endure stand 2 stamina ˈstæmɪnə [uncountable](in people) the physical or mental ability to continue doing sth difficult or tiring for long periods of time (人的)耐力,耐性,持久力She didn't have the stamina to complete the course.她没耐力跑完全程。 resistance [uncountable, singular](in people, animals and plants) the power not to be affected by sth, especially a disease or drug (人、动物和植物对疾病或药物等的)抗力,抵抗力AIDS lowers the body's resistance to infection.艾滋病会降低身体的抗感染能力。Many viruses develop resistance to drugs.很多病毒对药物产生耐药性。 see also resist withstand resistant

adjective

plants that are resistant to disease抗病植株heat-resistant materials耐热材料
TOEFL IELTS BNC: 1194 COCA: 1275
strength
Physical strength: strength, force, energy...
The quality of being strong and not easy to break: strength, resistance, intensity...
Patience: patience, strength, acceptance...
Power, authority, influence and leadership: leadership, power, authority...
Skill, talent and ability: experience, ability, skill...
Group members and describing group members: academician, alumnus, arriviste...

👨🏻‍🏫 Mr. Ng 牛津詞典 📚 – oxford.mister5️⃣.net
切換為繁體中文
Site Uptime