weightlessness ['weɪtləsnəs]

例句:

• The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness.
  那些宇航员正在进行一系列实验，以更多地了解身体如何适应失重状态。
  
• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态.
  
• Astronauts in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态.
  
• Disrupt this field on Earth and you would achieve almost weightlessness.
  来自SA
• What they have learned through that long period is that, yeah, weightlessness can have some pretty detrimental effects.
  来自SA
• But this dream, to Obama, seems credulous and shallow, a destructive craving for weightlessness.
  来自NEWYORKER