负极的英文：
cathode

参考例句：
  • The negative poles of two magnets will repel each other.
    两块磁铁的负极相互排斥。
  • In electrochemical machining, the tool is the cathode and the workpiece is the anode.
    在电化切削时,刀具是正极,工具是负极。
  • "The pole of the output voltage is connected to the balance housing, which can be grounded for operation."
    输出电压的负极与电子天平壳体连接。在进行操作时,电子天平壳体允许接地。
cathode是什么意思：
n. （电池等的）阴极，负极
  • The measuring cell consists of an insulated silver cathode
    测量电池是由绝缘的银阴极组成的。
  • The phosphorescent coating on the inside of the screen of a cathode - ray tube.
    磷光质涂层在阴极射线管的屏幕内部上的磷光质涂层
  • Rontgen was certain that the fluorescent effect was not due to cathode rays.
    伦琴确信，荧光效应不是起因于阴极射线。
  • The amount of information that a cathode ray tube screen displays.
    阴极射线管屏幕所显示的信息总量。
  • The cathode rays are always beamed on a fresh area of the anode surface
    阴极射线总是射向阳极表面的新区域。

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