首頁›Browse›D›direct currentdirect current編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看direct currentdirect current — 名詞名詞1. an electric current flowing in one direction only1.名詞釋義直流電an electric current flowing in one direction only例句Batteries provide direct current, while the power grid uses alternating current.