a launching platform

• 发射台

a launching platform的用法和样例：

例句

1. The rocket lifted off from its launching pad.
   火箭从发射台上发射出去。
2. Forty-two medium-range nuclear missiles were being unpacked and prepared for launching pads with desperate speed.
   四十二枚中程核导弹正在拼命加快地拆箱，准备装到发射台上。