基本解釋交流電流同根派生 alternating-current相關詞英漢例句Only AC current above certain frequency can be measured accurately.只有高于某些頻率的交流電流才能被準確的測到。The rectifier lets current flow into the battery only when A.C. surges in the direction of the arrow.只有當交流電流沿箭頭方向急沖時,整流器才允許電流流入電池組。alternating-current更多例句