阴极的

例句：

1. 3. 阴极射线管
   一种电子设备
2. 1. The electron beam is focused onto the cathode.
   电子束聚焦到阴极。
3. 2. The negative electrode of the battery is what holds the charge.
   电池的负极是保持电荷的地方。
4. 3. A cathode ray tube is used to display images on a screen.
   阴极射线管用于在屏幕上显示图像。