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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)拆除貧民窟
    • Landscape gardeners have begun a clearance of the overgrown ground to make way for a new park.園林工人已經開始清理雜草叢生的土地，爲新公園讓路。
    • a clearance sale (= in a shop, when goods are sold cheaply to get rid of them quickly)清倉大甩賣
    • These coats are on clearance.這些外套在降價出清。
    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淨空；間距；間隙
    • There is not much clearance for vehicles passing under this bridge.車輛在這座橋下通過時沒有多少餘隙。
    • a clearance of one metre一米的間距
    Extra Examples
    • Always give cyclists plenty of clearance.要經常給摩托車手足夠的淨空。
    • Make sure you allow enough clearance on each side.要確保每一側都留出足夠的間隙。
    • 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。
    • clearance above the light to prevent overheating爲防止過熱而在燈上方留出的淨空
    • We need to increase the vehicle's ground clearance.我們需要增加車輛的離地間隙。
    • Leave a clearance of at least 10 cm to allow the heat to escape.留出至少10厘米的間隙，讓熱量逸出。
    • There is not enough clearance for vehicles passing under the bridge.橋下沒有足夠的車輛通行間隙。
    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（錄用或準許接觸機密以前的）審查許可，審核批準
    • I'm waiting for clearance from headquarters.我在等待總部的錄用審查許可。
    • All employees at the submarine base require security clearance.所有潛水艇基地的僱員必須得到安全部門的審查許可方可錄用。
    Extra Examples
    • Formal clearance by the Cabinet has not been given.内閣尚未給予正式批準。
    • It is safest to seek advance clearance from the tax office.安全起見還是事先去稅務局申請許可。
    • She had to be vetted for security clearance before she was appointed.她在被任命前必須經過安全審查。
    • Allow a minimum of six weeks to obtain the necessary clearances.至少留出六周時間以取得必要的審查許可。
    • You'll need to get security clearance for this job.做這項工作需要先通過忠誠審查。
    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、交通工具進出機場或出入境的）許可，準許
    • The pilot was waiting for clearance for take-off.飛行員在等待起飛的許可。
    • How long will customs clearance take?清關需要多長時間？
    Extra Examples
    • The pilot was granted clearance to land.飛行員得到了着陸許可。
    • The air traffic control clearance specified an altitude that must be maintained.空中交通管制許可規定了必須保持的高度。
    • The aircraft received clearance to taxi out for take-off.飛機得到許可，可以滑行起飛了。
    • You should not have crossed the border without diplomatic clearance.沒有外交許可，你不應該越過邊境。
    • The goods were still at the airport waiting for customs clearance.貨物仍在機場等待清關。
    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）到賬
    • Clearance will take seven days.通關需要七天。
  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（足球及其他一些體育運動中的）解圍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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