Clearance
[ 'klɪrəns ]
其它 Other
n. 清洁，清扫;[建]净空;空隙，间隙;放行证;
💡 词根助记
clear呼喊，叫喊+ance表名词 →清算；清除
📝 例句
The pilot was given clearance to land by air traffic control.
飞行员得到空中交通管制站发出的着陆许可。
✅ 同义词
📖 牛津释义
clearance
n
1 [C, U] (act of) clearing, removing or tidying sth 清理、 清除或整理某事物
`slum clearance, ie knocking down of slum houses 清拆贫民窟（拆除贫民窟的房屋）
[attrib 作定语]
a `clearance sale, ie one in which all unwanted stock in a shop is sold at reduced prices （商店）清货大贱卖.
2 [C] (in football, hockey, etc) act of kicking or striking the ball away from the goal （足球、 曲棍球等）将球踢出或击出球门区的动作
a fine clearance by the full-back 後卫将球一脚踢出球门区.
3 [C, U] space left clear when one object moves past or under another 净空, 余隙, 量（一物从另一物旁边或下面经过时, 两者间的空隙）
a clearance of only two feet, eg for a ship moving through a canal 仅两英尺的净空（如船通过运河时）
There is not much clearance for tall vehicles passing under this bridge. 高大车辆在这桥下通过时没有多大余隙.
4
(a) [C, U] (document giving) authorization or permission, eg for a ship or plane to leave a place or for goods to pass through customs(2) 许可（证）（如准予船只或飞机离开或货物通过海关的）
get clearance for take-off 得到起飞的许可.
(b) [U] official permission for sb to work with secret information, etc 正式批准某人参与机密工作等的许可
give sb security clearance 保安部门给予某人的机密工作许可.
5 [C, U] clearing of cheques at a clearing-house (clear3) （票据交换所内的）支票交换, 结算, 清算.
🔁 扩展释义
*['kliәrәns]n. 清除, 间隙【化】 间隙; 空隙【医】 清除, 清除率, 廓清率; 间隙
🏥 医学释义
清除，清除率
📖 同为「基础」词汇
查看全部基础词汇 ›🗣️ 情景例句
Don't eat too much candy, you'll spoil your appetite.
别吃太多的糖果，否则你会吃不下饭的。
Could you tell me where is the bus stop?
你能不能告诉我公共汽车站在哪里？
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。