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Clearance
01
间距, 净空
the distance by which one thing clears another; the space between them
02
许可, 批准
official permission to proceed or to happen
2.1
许可, 清关
a permit issued by an airport to allow an aircraft to land or take off
03
净空, 高度
vertical space available to allow easy passage under something
04
清理, 清除
the act or process of removing obstacles or obstructions in order to create a clear, unobstructed pathway, space, or area
05
清除, 清理
a defensive play that drives the ball away from the goal area
clearance
n
clear
v
例子
Employees need security clearance to access classified information.
The sweeper's clearance saved his team from conceding a goal.
The customs officer granted clearance for the shipment to enter the country.
The security measures shut the visitors in the waiting area until clearance.
The pilot received clearance from air traffic control to take off.
