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单词 hydronaut
释义

WordReference Random House Unabridged Dictionary of American English © 2024
hy•dro•naut  (hīdrə nôt′, -not′),USA pronunciation n. 
  1. Military, Oceanographya person trained to work in deep-sea vessels for research and rescue purposes.
  • hydro-1 + (aero)naut 1965–70, American.

Collins Concise English Dictionary © HarperCollins Publishers::
hydronaut /ˈhaɪdrəʊˌnɔːt/ n
  1. US a person trained to operate deep submergence vessels
Etymology: 20th Century: from Greek, from hydro- + -naut, as in aeronaut, astronaut
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更新时间:2024/11/10 19:11:45