Clearance
01
the amount of space or distance separating two objects
例子
The plane 's wing had minimal clearance from the hangar wall.
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。
03
the vertical distance available beneath an object for passage
例子
Trucks exceeding the height clearance will be rerouted.
04
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.
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。
