
clearance
词源
源自中古英语'cleraunce',由'clear'(清除)+名词后缀'-ance'构成,最初指清理或腾出空间的行为。
noun
❶ 指官方正式批准或许可,表示某事物符合规定要求,可以继续进行或使用。
“The plane got clearance for takeoff from the control tower.”
(飞机获得了塔台的起飞许可。)
“You need security clearance to access this classified information.”
(你需要安全许可才能查看这些机密信息。)
❶ 指物体之间的空隙或距离,表示两者之间没有障碍物或足够的空间。
“Make sure there's enough clearance between the car and the garage door.”
(确保汽车和车库门之间有足够的间隙。)
“The bridge has a clearance of 15 feet above the water.”
(这座桥距离水面有15英尺的净空高度。)
❶ 指商店为清空库存而进行的减价销售活动,通常价格大幅降低。
“The department store is having a clearance sale this weekend.”
(百货商店本周末正在进行清仓大甩卖。)
“I bought this jacket at 70% off during the winter clearance.”
(我在冬季清仓时以三折的价格买了这件夹克。)
常见短语
clearance sale — 商店为清理库存而举办的特价促销活动,通常折扣很大。
“I always wait for the annual clearance sale to buy new furniture.”
(我总是等到年度清仓大甩卖时才购买新家具。)
security clearance — 指政府或组织授予个人接触机密信息的正式许可,通常需要背景调查。
“Employees handling sensitive data must obtain top-secret security clearance.”
(处理敏感数据的员工必须获得最高机密安全许可。)
give clearance — 正式批准或允许某事继续进行,常用于官方或专业场合。
“The doctor gave clearance for the athlete to return to training.”
(医生批准这位运动员恢复训练。)