cathode ray
英
美
- cathode n.阴极
- ray n.光线；射线；辐射vi.发光；辐射vt.释放射线；用光线装饰n.[动]鳐Ray.n.雷（人名）
Noun:
-
a beam of electrons emitted by the cathode of an electrical discharge tube
用作名词 (n.)
- A cathode ray tube is shaped like a large bell.
阴极射线管的形状象个大铃铛。
- Cathode rays are attracted by a positive charge.
阴极射线被阳电荷所吸引。
