单词	Poncelet wheel
释义	Poncelet wheel noun : an undershot waterwheel that is suitable for falls of less than six feet Word History Etymology after Jean Victor Poncelet
随便看	turn signal turn someone on to turn someone on to something turn someone's stomach turn something inside out turn something over in one's mind turn something to account turn something to good account turn something upside down turn state's evidence turn swords into plowshares turn tail turn the corner turn the knife turn the knife in the wound turn the other cheek turn the tables turn the trencher turn the trick turn to turn to account turn to good account turn traitor turn tricks turn turtle

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