a unit for supplying power (also figurative); spec. (a) one for converting an alternating current (from the mains) to a direct current at a different…
a self-contained source of electrical power; also figurative.
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。