英语词汇“hydronaut”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hydronaut
释义	hydronaut (ˈhaɪdrəʊˌnɔːt) noun US navy a person trained to operate deep submergence vessels Word origin C20: from Greek, from hydro- + -naut, as in aeronaut, astronaut
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