lift-off zero

例句：

1. 1. The rocket lifted off from the launchpad with a loud bang.
   火箭从发射台上轰鸣着升空。
2. 2.The satellite was launched into space at zero gravity.
   卫星以零重力状态被发射入太空。
3. 3.The astronauts were on their way to the International Space Station for a zero gravity experiment.
   宇航员们正前往国际空间站进行零重力实验。