room available in the atmosphere immediately above the earth
空域,空间
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temples and mosques fight for airspace with skyscrapers .庙宇和清真寺与摩天大楼争夺空间。
the air available to aircraft to fly in, especially the part subject to the jurisdiction of a particular country
领空,空域。
【律】 (土地私有人对其土地或建筑上方空域所享有的)空域使用权。
space left to be occupied by air for purposes of insulation
绝缘空气带。