释义
n.
the action of twisting or the state of being twisted, especially of one end of an object relative to the other
扭，反扭。
the twisting of the cut end of an artery after surgery to impede bleeding
（手术后为止血而）将割断的动脉扭转。
【数】 挠率。
【动】 扭转。
词源
"late Middle English （as a medical term denoting colic or in the sense ‘twisting' ［especially of a loop of the intestine］）： via Old French from late Latin