airspaceWiktionary 原文中文来自 ECDICTn.空域，空间构词拆分air词根/词干+space词根/词干词源说明From air + space.释义（英文）名词 Noun(politics, aviation) A specified portion of the atmosphere, especially that under the technical aviation control and/or jurisdiction of a particular state over which territory (and territorial waters) it lies.(aviation) That part of the sky