air space

中文含义：空域，指经过国家认可，具有特定管理和监管职责的空间范围。

英语词性：noun

美式发音：ɛr speɪs

同义词：airspace, sky, heavens

易混淆单词：airwaves, which refers to the radio frequency spectrum used for transmitting radio signals

双语例句：

  1. The aircraft was ordered to enter the restricted air space.
  2. According to the international law, no country has sovereignty over the air space.
  3. The air space over the city was closed for hours due to a security threat.
  4. As a pilot, it’s important to be aware of the air space restrictions before takeoff.