cathode-ray

例句：

1. 1. The cathode-ray tube is the heart of a television set.
   阴极射线管是电视机的核心部件。
2. 2.The scientists used the cathode-ray tube to observe the particles in the air.
   科学家使用阴极射线管来观察空气中的粒子。
3. 3. The cathode-ray tube was invented by Thomas Edison in 1897.
   阴极射线管是由托马斯·爱迪生在1897年发明的。