A machine or device used to start or activate another machine or device, or to supply the energy it needs to operate; spec. a device which supplies…
| 单词 | θ77031 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electric charge, electricity > [noun] > unit supplying power (2) energizer1891 A machine or device used to start or activate another machine or device, or to supply the energy it needs to operate; spec. a device which supplies… power pack1937 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… |
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