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单词 master switch
释义

master switch

From Longman Dictionary of Contemporary EnglishRelated topics: Electricitymaster switchˈmaster ˌswitch noun [countable]  TPEthe switch that controls the supply of electricity to the whole of a building or areaExamples from the Corpusmaster switchThe 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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更新时间:2024/9/22 1:37:33