launching pad是什么意思 launching pad怎么读
launching pad的英文翻译是什么意思,词典释义与在线翻译
Noun:- a platform from which rockets or space craft are launched
launching pad的用法和样例
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。
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