音標發(fā)音英式音標 [?ri?.?.st?t]美式音標 [?ri?.o?.st?t]英式發(fā)音 美式發(fā)音 基本解釋n.可變電阻器同根派生 rheostat相關詞英漢例句用作名詞 (n.)Some switches also contain a rheostat to control the brightness of the instrument panel lights.一些開關也包含一個可變電阻器，控制儀表板燈的燈光亮度。The rheostat is operated by rotating the control knob, separating it from the push-pull action of the main lighting switch.可變電阻器由鏇轉(zhuǎn)的控制手柄操縱，與燈光縂開關的推一拉的操縱是分開的。rheostat更多例句英英字典劍橋英英字典 a device used to control and change the flow of electric current through a machine such as an electric lightrheostat劍橋字典rheostat柯林斯字典