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weightlessness

noun

🔊/ˈweɪtləsnəs/

🔊/ˈweɪtləsnəs/

[uncountable]

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the fact of having or appearing to have no weight, for example because there is no gravity无重量的；似无重量的；失重的
- an experience of weightlessness失重的经历
Topics Spacec1