airspace

美 [ˈerˌspeɪs]
英 [ˈeə(r)ˌspeɪs]
  • n.空域;领空;上空
  • 网络空间;领空空域;空气间层
Airspace
n.
1.
领空;(某国的)空域the part of the sky where planes fly, usually the part above a particular country that is legally controlled by that country
The jet entered Chinese airspace without permission.
那架喷气式飞机未经许可闯入中国领空。

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