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cathode-ray例句_cathode-ray英汉例句_cathode-ray双解例句_欧米惠必应词典
欧米惠必应词典

cathode-ray

C 开头单词

常见例句

  • A cathode ray tube is shaped like a large bell.
    阴极射线管的形状象个大铃铛。
  • Cathode rays are attracted by a positive charge.
    阴极射线被阳电荷所吸引。
    • 返回 cathode-ray