宇航

1. 宇航员在飞行中必须适应失重状态。
   Astronauts in flight must adjust to weightlessness.
2. 新的太空宇航计划仍未公开。
   The plans for the new space mission are still under wraps.
3. 将来，要求宇航员从停在太空中的宇宙飞船里出来，然后再回到船上。
   In future, astronauts will be required to descent from a spaceship while it is still in space and to return to it.

宇的英语翻译：

航的英语翻译：