| 单词 | master switch |
| 释义 | master switchElectricity ˈmaster ˌswitch noun [countableC] TPEthe switch that controls the supply of electricity to the whole of a building or area 〔电源的〕主控开关，总开关 Examples from the Corpus master switch• The lights were obviously controlled from some master switch for they went on without a sound.• The phones were dead until Leese flipped the master switch. |
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