clearance
翻译
许可, 批准, 清仓甩卖, 间隙
例句
He received security clearance.
他获得了安全许可。
The store is having a clearance sale.
这家商店正在进行清仓甩卖。
The bridge has a clearance of 15 feet.
这座桥的净空高度是15英尺。
语法模式
((get/receive)) clearance (获得许可) He received security clearance.
((a)) clearance sale (清仓甩卖) The store is having a clearance sale.
((a)) clearance ((of ...)) (...的间隙) The bridge has a clearance of 15 feet.
近义词
同义词: permission, authorization, sale, space
词源
由 'clear'（清除）加上构成名词的后缀 '-ance' 组成，表示清除的行为或状态。
记忆技巧
想象为某事“扫清道路”：通过给予许可，通过出售商品来清空货架，或者通过留出物理空间。