变弱

• fail in
• die down
• soften
• slip
• slacken
• weaken
• tail away
• wane
• dilutor
• drop (height)

例句

1. 随着火箭越来越远地进入太空，地球的引力变弱，这样就形成了一个高速度。
   As the rocket gets farther into space, the earth's gravity grows weaker and in this way a high speed can be built up.