['kliərəns]
clearance
n. 清除,解除,森林开拓

例句与用法:

  1. Let me tell you some details about clearance.
    让我告诉你一些通关的细节。

英英解释:

名词 clearance:

  1. the distance by which one thing clears another; the space between them
  2. vertical space available to allow easy passage under something
  3. 同义词:headroom, headway
  4. permission to proceed