cathode-ray

基本解释

• 隂極射線

同根派生

• cathode-ray相关词

英汉例句

• A cathode ray tube is shaped like a large bell.
  隂極射線琯的形狀象個大鈴鐺。
• Cathode rays are attracted by a positive charge.
  隂極射線被陽電荷所吸引。

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