单词	hydronaut
释义	hydronaut noun hy·​dro·​naut ˈhīdrəˌnȯt, -nät plural -s : a member of the crew of a deep-sea vehicle (such as a bathyscaphe) other than a submarine Word History Etymology hydr- + -naut (as in astronaut)
随便看	meropia meropias Meropidae meropidaes meropidans meroplankton meroplanktonic meroplanktons meropodite meropoditic Merops meropses meros Merosomata merosomes merosporangium merospore Merostomata merostomatae merostomatas merostomatous merostome merostomous merosymmetrical merosymmetry

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