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	take ten take the bull by the horns take the cake take the count take the cross take the field take the floor advocatus advocatus dei advocatus diaboli advolution advowee advowson advt advtg adynamia adynamic adyt adyton adytum adz adz adz block adze adz-eye hammer

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