n.清除，排除，清理，净空，间距，间隙，(录用或准许接触机密等以前的)审查许可，审核批准，许可，准许，（支票的）兑现，解围

原形：clearance复数：clearances

Eric has a security clearance that allows him access to classified information.
埃里克获得了安全许可，能够接触机密信息。
We have to wait for clearance from air traffic control.
我们需要等空中交通管制人员的放行。
The pilot requested clearance to land at the airport.
飞行员请求允许降落机场。
The customs officer checked the shipment for clearance.
海关官员检查了货物以便清关。
She was given security clearance to enter the restricted area.
她获得了进入限制区域的安全许可。
The tree branches need to be trimmed for power line clearance.
树枝需要修剪以保持与电线的安全距离。
The new employee has to go through a background check for security clearance.
新员工需要通过背景调查以获得安全许可。
The store is having a clearance sale, offering discounts on last season's items.
商店正在进行清仓大甩卖，上季商品均有折扣。
The plane received takeoff clearance from air traffic control.
飞机从空中交通管制处获得了起飞许可。
After the accident, the road had to be cleared for emergency vehicle access.
事故发生后，道路必须清理出来以供紧急车辆通行。
The document requires diplomatic clearance before it can be released.
该文件在发布前需要获得外交许可。
The shipping company handles all necessary customs clearances for international deliveries.
货运公司负责处理所有国际运输所需的海关清关事宜。