clearance是什么意思_clearance怎么读_中英文释义(含例句用法)

clearance (n.): 1560s, "action of clearing," from clear (v.) + -ance. Meaning "a clear space" is from 1788. Meaning "approval, permission" (especially to land or take off an aircraft) is from 1944, American English; national security sense recorded from 1948. Clearance sale attested by 1843.

词态变化

复数 clearances;

权威造句

1. The UN pledged to help supervise the clearance of mines.: 联合国承诺协助监督扫雷工作。

2. They have to wait for clearance from air traffic control.: 他们需要等空中交通管制人员的放行。

3. He has a security clearance that allows him access to classified information.: 他获得了安全许可，可以接触机密信息。

4. Thai Airways said the plane had been given clearance to land.: 泰国航空公司说，该飞机已经得到降落许可。

5. The lowest fixed bridge has 12.8m clearance.: 最低的固定桥下方通行高度为12.8米。

近反义词

clearance sale 清仓削价销售...

axial clearance 纵向间隙,轴向间隙...

adjustable clearance 可调间隙

customs clearance 出口结关

clearance leakage 间隙漏泄

clearance fit 间隙配合,动座配合,...

vertical clearance 竖向净空,垂直间隙...

ground clearance 地面清除,离地距离...

clearance height 净空高度

clearance angle 后角,间隙角...

renal clearance 肾清除率

clearance ratio 余隙比

clearance space 余隙空间,留隙空间...

zero clearance 零间隙

maximum clearance 最大间隙

clearance loss 间隙损耗

clearance hole 出砂孔(铸件的),排...

expansion clearance 膨胀间隙

clearance gauge 量隙规,测厚规,塞尺...

safe clearance 安全距离,安全余量,...

相似短语

ample clearance 充分间隙

angle of clearance 超越角

clearance curve 清除曲线

clearance date 结关日

clearance depot 结关货场，清关货场

clearance fee 出港手续费

clearance gate 量载规，界限门

clearance label 出港证

clearance nut 余隙螺母

clearance pocket 补充余隙

单词分析

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记忆方法

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clearance是什么意思，clearance怎么读

clearance基本信息

英英释义

中英词源