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单词 weightlessness
释义

WordReference Random House Learner's Dictionary of American English © 2024
weight•less /ˈweɪtlɪs/USA pronunciation   adj. 
  1. Physicsbeing without apparent weight.
weight•less•ness, n. [uncountable] :periods of weightlessness in the space capsule.

WordReference Random House Unabridged Dictionary of American English © 2024
weight•less  (wātlis),USA pronunciation adj. 
  1. Physicsbeing without apparent weight, as a freely falling body or a body acted upon by a force that neutralizes gravitation.
  • weight + -less 1540–50
weightless•ly, adv. 
weightless•ness, n. 

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更新时间:2024/9/20 19:23:00