Clearance
01
间隙, 空隙
the amount of space or distance separating two objects
例子
The plane 's wing had minimal clearance from the hangar wall.
飞机的机翼与机库墙壁之间有最小的间隙。
02
许可
official permission to proceed or to happen
例子
Employees need security clearance to access classified information.
员工需要安全许可才能访问机密信息。
2.1
许可, 飞行许可
official authorization from an airport control tower for an aircraft to take off, land, or proceed on a specified route
例子
Air traffic control denied clearance due to weather conditions.
空中交通管制因天气条件拒绝了许可。
03
净空, 自由高度
the vertical distance available beneath an object for passage
例子
Trucks exceeding the height clearance will be rerouted.
超过净空高度的卡车将被重新规划路线。
04
清理, 清场
the act of clearing away obstacles or unwanted materials to make an area open or usable
例子
Debris clearance took several days after the storm.
风暴过后，碎片的清理工作花了几天时间。
05
解围, 清除
a defensive play that drives the ball away from the goal area
例子
His clearance reached the halfway line, allowing the team to regroup.
他的解围球到了中线，让球队得以重新组织。
