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英语单词“cathode”的意思是：阴极。读音为：英 [ˈkæθəʊd] 美 [ˈkaʊθoʊd]。例句如下：
1. The cathode is the end of the electric cell where most of the chemical reaction takes place.
2. The cathode is the place where the electric current flows out of the battery.
3. The cathode is a metal rod, usually made of copper, that is connected to the negative terminal of the battery.
4. The current flows through the cathode and then back to the positive terminal of the battery.
5. The cathode ray tube (CRT) is a type of display device that was commonly used in television sets and computer monitors until the 21st century.
6. The cathode-ray tube was invented by American scientist William Paley in 1897.
7. The electrons are attracted to the positively charged anode and repelled from the negatively charged cathode.
8. The electron gun inside the tube focuses the electrons onto the screen to create an image.
9. In some types of LED, a metal coating may be applied to the surface of the anode or cathode to improve light emission or emission efficiency.
10. Although there are still some technical issues with using thin film transistors (TFTs) for high-resolution displays, they are a good candidate for future cathode-ray tube replacements.
综上所述，“cathode”这个词在电学和物理学领域中有着重要的应用，特别是在电池和阴极射线管（CRT）等设备中。随着科技的进步，阴极射线管已被更先进的显示技术（如液晶显示和发光二极管）所取代。但无论如何，“cathode”这个词在英语中的含义、读音和用法都不会改变。
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