launch pad
近义词：pad，launchpad，launchingpad，
英英释义
Noun
- a platform from which rockets or space craft are launched
例句
用作名词(n.)
- The rocket lifted off from its launching pad.火箭从发射台上发射出去。
- The helicopter was hovering about 100 metres above the pad.直升机在离发射台一百米的上空盘旋。