launch site for manned space flight

例句：

1. 1. The spacecraft was launched from this launch site.
   宇宙飞船从这个发射场发射。
2. 2. The astronauts landed safely at their launch site.
   宇航员安全着陆在他们的发射场。
3. 3. The new satellite launch site is located in the southern hemisphere.
   新的卫星发射场位于南半球。