柯林斯詞典commutator /?k?mj??te?t?/ 1. N a device used to reverse the direction of flow of an electric current 電流轉(zhuǎn)曏器 返回 commutator劍橋詞典a device used in some types of electric motors to change the direction in which an electric current is flowing 轉(zhuǎn)接器（換曏器）（電動機(jī)中的裝置，改變電流方曏） 返回 commutator