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IELTS BNC: 5606 COCA: 8962

clearance

noun
/ˈklɪərəns/
/ˈklɪrəns/
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  1. [countable, uncountable] the process of removing things that are not wanted清除；排除；清理
    • forest clearances伐空的林地
    • slum clearance (= the process of removing houses that are in very bad condition in an area of a town)拆除贫民窟
    • Landscape gardeners have begun a clearance of the overgrown ground to make way for a new park.园林工人已经开始清理杂草丛生的土地，为新公园让路。
    • a clearance sale (= in a shop, when goods are sold cheaply to get rid of them quickly)清仓大甩卖
    • These coats are on clearance.这些外套在降价出清。
    Oxford Collocations Dictionaryadjective
    • forest
    • land
    • site
    • …
    clearance + noun
    • work
    • sale
    • rack
    • …
    preposition
    • on clearance
    See full entry
  2. [uncountable, countable] the amount of space or distance that is needed between two objects so that they do not touch each other净空；间距；间隙
    • There is not much clearance for vehicles passing under this bridge.车辆在这座桥下通过时没有多少余隙。
    • a clearance of one metre一米的间距
    Extra Examples
    • Always give cyclists plenty of clearance.要经常给摩托车手足够的净空。
    • Make sure you allow enough clearance on each side.要确保每一侧都留出足够的间隙。
    • There wasn't enough clearance between the bus and the top of the bridge.公共汽车和桥顶之间没有足够的空隙。
    • clearance above the light to prevent overheating为防止过热而在灯上方留出的净空
    • We need to increase the vehicle's ground clearance.我们需要增加车辆的离地间隙。
    • Leave a clearance of at least 10 cm to allow the heat to escape.留出至少10厘米的间隙，让热量逸出。
    • There is not enough clearance for vehicles passing under the bridge.桥下没有足够的车辆通行间隙。
    Oxford Collocations Dictionaryadjective
    • ground
    verb + clearance
    • allow (somebody/​something)
    • give somebody/​something
    • leave
    • …
    preposition
    • clearance above
    • clearance between
    See full entry
  3. [uncountable, countable] official permission that is given to somebody before they can work somewhere, have particular information, or do something they want to do（录用或准许接触机密以前的）审查许可，审核批准
    • I'm waiting for clearance from headquarters.我在等待总部的录用审查许可。
    • All employees at the submarine base require security clearance.所有潜水艇基地的雇员必须得到安全部门的审查许可方可录用。
    Extra Examples
    • Formal clearance by the Cabinet has not been given.内阁尚未给予正式批准。
    • It is safest to seek advance clearance from the tax office.安全起见还是事先去税务局申请许可。
    • She had to be vetted for security clearance before she was appointed.她在被任命前必须经过安全审查。
    • Allow a minimum of six weeks to obtain the necessary clearances.至少留出六周时间以取得必要的审查许可。
    • You'll need to get security clearance for this job.做这项工作需要先通过忠诚审查。
    Oxford Collocations Dictionaryadjective
    • official
    • proper
    • top-secret
    • …
    verb + clearance
    • get
    • obtain
    • receive
    • …
    See full entry
  4. [uncountable] official permission for a person, vehicle or goods to enter or leave an airport or a country（人、交通工具进出机场或出入境的）许可，准许
    • The pilot was waiting for clearance for take-off.飞行员在等待起飞的许可。
    • How long will customs clearance take?清关需要多长时间？
    Extra Examples
    • The pilot was granted clearance to land.飞行员得到了着陆许可。
    • The air traffic control clearance specified an altitude that must be maintained.空中交通管制许可规定了必须保持的高度。
    • The aircraft received clearance to taxi out for take-off.飞机得到许可，可以滑行起飞了。
    • You should not have crossed the border without diplomatic clearance.没有外交许可，你不应该越过边境。
    • The goods were still at the airport waiting for customs clearance.货物仍在机场等待清关。
    Topics Transport by airc2
    Oxford Collocations Dictionaryadjective
    • official
    • proper
    • top-secret
    • …
    verb + clearance
    • get
    • obtain
    • receive
    • …
    See full entry
  5. [uncountable, countable] the process of a payment into a bank account being confirmed by the bank, so the money is available for you to use（付款的）到账
    • Clearance will take seven days.通关需要七天。
  6. [countable] a clearance in football (soccer) and some other sports is when a player kicks or hits the ball away from the goal of his or her own team（足球及其他一些体育运动中的）解围Topics Sports: ball and racket sportsc2
IELTS BNC: 5606 COCA: 8962
clearance

noun¹

 1removal of sth old/unwanted清除ADJECTIVE | CLEARANCE + NOUN | PREPOSITION ADJECTIVE➤forest, land, site, slum森林砍伐；土地清理；工地清理；貧民窟拆除CLEARANCE + NOUN➤work清理工作▸➤sale (= when goods are sold cheaply to get rid of them quickly) 清倉甩賣➤rack (= in a clearance sale) (NAmE) 清倉甩賣貨架PREPOSITION➤on clearance (= reduced in price) 降價出清◇These coats are on clearance.這些外套在降價出清。
clearance

noun²

 2official permission官方許可ADJECTIVE | VERB + CLEARANCE ADJECTIVE➤official, proper官方／專門許可➤top-secret絕密級許可▸➤customs, diplomatic, entry, medical, security結關；外交放行；入境許可；醫療證明；通過忠誠審查➤take-off起飛許可VERB + CLEARANCE➤get, obtain, receive獲得許可；收到放行證明◇You'll need to get security clearance for this job.做這項工作需要先通過忠誠審查。➤have有放行證明▸➤apply for, request, seek申請許可；要求放行；尋求放行➤await等待放行▸➤give sb, grant sb給予某人放行◇The pilot was granted clearance to land.飛行員得到了着陸許可。➤refuse sb拒絕給某人放行
clearance

noun³

 3distance between sth and sth passing under/beside it間隙ADJECTIVE | VERB + CLEARANCE | PREPOSITION ADJECTIVE➤ground離地間隙◇We need to increase the vehicle's ground clearance.我們需要增加車輛的離地間隙。VERB + CLEARANCE➤allow (sb/sth), give sb/sth, leave（為⋯）留出淨空◇Make sure you allow enough clearance on each side.要確保每一側都留出足夠的間隙。◇Always give bikes plenty of clearance.要總是給自行車留下足夠的間隙。PREPOSITION➤clearance above⋯上方的淨空◇clearance above the light to prevent overheating為防止過熱而在燈上方留出的淨空➤clearance between⋯之間的淨空◇There wasn't enough clearance between the bus and the top of the bridge.公共汽車和橋頂之間沒有足夠的空隙。
IELTS BNC: 5606 COCA: 8962
clearance noun
⇨ permission
IELTS BNC: 5606 COCA: 8962
clearance
General words for permission: permission, consent, approval...
Relating to operating aircraft: aerobatics, aerospace, airborne...
Space and amounts of space: accommodation, air pocket, break...
The process of getting rid of or removing something: removal, disposal, extraction...
Actions in playing games or sports: backhand, backhander, ball...
Cheques and using cheques: blank cheque, bounce, cancel a cheque...

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