as·tro·naut 
(ăstrə-nôt′)
(ăstrə-nôt′)n.
A person trained to pilot, navigate, or otherwise participate as a crew member of a spacecraft.
[ASTRO- + Greek nautēs, sailor (from naus, ship; see nāu- in the Appendix of Indo-European roots).]
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| 单词 | astronaut |
| 释义 | as·tro·naut (ăstrə-nôt′)n. A person trained to pilot, navigate, or otherwise participate as a crew member of a spacecraft. [ASTRO- + Greek nautēs, sailor (from naus, ship; see nāu- in the Appendix of Indo-European roots).] |
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