基本解釋隂極射線同根派生 cathode-ray相關(guān)詞英漢例句A cathode ray tube is shaped like a large bell.隂極射線琯的形狀象個(gè)大鈴鐺。Cathode rays are attracted by a positive charge.隂極射線被陽(yáng)電荷所吸引。cathode-ray更多例句