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	hangs on hangs on to hangs one on hangs out hangs over hangs together hangs up hangs with hangtag hangtags Hangtown fry Mondale Monday Monday-morning quarterback monday-morning quarterbacking Mondayish mondayishness mondays monde mondegreen mondegreens mondes mondial mondo mondos

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