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单词 microgravity
释义

WordReference Random House Unabridged Dictionary of American English © 2024
mi•cro•grav•i•ty  (mīkrō grav′i tē),USA pronunciation n. 
  1. Aerospacea condition, esp. in space orbit, where the force of gravity is so weak that weightlessness results.
  • micro- + gravity 1980–85

Collins Concise English Dictionary © HarperCollins Publishers::
microgravity /ˈmaɪkrəʊˌɡrævɪtɪ/ n
  1. the very low apparent gravity experienced in a spacecraft in earth orbit
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