| 单词 | weightless |
| 释义 | weight·lessBrE /ˈweɪtləs/ NAmE /ˈweɪtləs/ adjective having no weight 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◆ Astronauts work in weightless conditions . 宇航员在失重的条件下工作。astronaut , countdown , dock , launch , mission , orbit , rocket , satellite , space , weightless ▸ weight·less·nessBrE /ˈweɪtləsnəs/ NAmE /ˈweɪtləsnəs/ noun [U ] |
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