air bells space空隙;空域
Air-space cable空气绝缘电缆
Air & Space Museum航空航天博物馆
AIR&SPACE美国宇航杂志
air-space sovereignty[军] 空间主权
Intrapulmonary air containing space空腔
air and space agency航空航天局
air-space ratio孔隙含水率
air and space superiority空中空间优势
N-UNCOUNT（不可数名词） A country's airspace is the part of the sky that is over that country and is considered to belong to it. 空域
Forty minutes later, they left Colombian airspace.
40分钟之后，他们离开了哥伦比亚的空域。