英语词汇“butterfly dam”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	butterfly dam
释义	butterfly dam noun Etymology: so called from its opening like the wings of a butterfly : a movable steel dam pivoted at top and bottom and opened and closed by a rack-and-pinion mechanism and electric motor
随便看	nerveroot nerveroot nerves nerves nerve sheath nerve trunk nerve-wracking nervi- nervi nervi nerviduct nervier nerviest nervii nervily nervimuscular nervine nervine nervi nervorum nerviness nerving nervish nervo- nervo nervomuscular

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