只有获得安全许可的人员才能进入这个军事基地。

Only personnel with security ___clearances are allowed to enter this military base.

我们需要清理仓库，为新货物腾出空间。

We need to do some ___clearances in the warehouse to make room for new stock.

门将一个大脚将球解围出禁区。

The goalkeeper made a powerful ___clearance to get the ball out of the penalty area.