音標發(fā)音英式音標 [?mɑ?.st? ?sw?t?]美式音標 [?m?s.t? ?sw?t?]英式發(fā)音 美式發(fā)音 基本解釋主控開關，總開關。同根派生 master switch相關詞英英字典劍橋英英字典 a switch that can be used to turn on or off power to all the lights or machines in a buildingmaster switch劍橋字典master switch柯林斯字典