地下机场 meaning in Chinese

underground airdrop
underground airport

What are the major land uses on criii ? a19 . major land uses on criii include a wide waterfront promenade , the new star ferry piers and public piers , a " comprehensive development area " site for low to medium rise commercial development with pedestrian landscaped deck , a " government , institutional or community " site , some waterfront related commercial and leisure uses and key transport infrastructure including road p2 at grade , cwb underground , airport railway extended overrun tunnel and nil underground
中区填海第三期工程所得土地的主要用途，包括宽阔的海滨长廊新的天星码头及公众码头"综合发展区"内的中低高度商业楼宇及园景行人平台"政府机构或社区"用地与海傍有关的商业及休憩用地以及主要运输基建设施包括p2道路网地面中环湾仔绕道地下机场铁路掉车隧道的延部份及地铁港岛北线地下。