无重力区的

例句：

1. 1. The astronauts were in a weightless zone when they landed on the moon.
   宇航员们在月球着陆时处于失重状态。
2. 2. The scientist conducted experiments in a weightless zone to study the effects of gravity on objects.
   科学家在失重状态下进行实验，研究重力对物体的影响。
3. 3. The spacecraft entered a weightless zone during its journey through space.
   宇宙飞船在太空旅行中进入了失重状态。