cathode light

例句：

1. 1.The cathode light illuminated the room, casting a warm glow on the walls.
   阴极灯照亮了房间，在墙上投下了温暖的光辉。
2. 2. The cathode light was used to study the properties of materials under high pressure.
   阴极灯被用来研究材料在高压下的性质。
3. 3.The cathode light was used as a source of illumination in the laboratory.
   阴极灯作为实验室的照明源。