rheotropeWiktionary 原文英美构词拆解rheorheo-前缀trope-trope后缀rheo-flow, current-trope(sciences) something that turns, affects, changes, responds, moves.词源说明From rheo- + -trope.释义名词noun1datedAn instrument for reversing the direction of an electric current; synonym of commutator.同族词相关词 1rheostat