weightless是什么意思
- 英式英标[\'wetləs]
- 美式音标[\'weɪtlɪs]
英文词源
- weightless (adj.)
- "having no weight," 1540s, from weight (n.) + -less. Related: Weightlessly; weightlessness (1867).
实用例句
- 1. Helen described life in a weightless environment during her period in space.
- 海伦描述了她身处太空时失重状态下的生活。
来自柯林斯例句
- 2. Photons have no mass—they are weightless.
- 光子没有质量——它们是无重的。
来自柯林斯例句
- 3. Astronauts work in weightless conditions.
- 宇航员在失重的条件下工作。
来自《权威词典》
- 4. Bacterial reproduction is accelerated in weightless space.
- 在失重的空间,细菌繁殖加快了.
来自《简明英汉词典》
- 5. Man is weightless in space.
- 人在太空失重.
来自辞典例句
