cathode ray

cathode ray读音音标

英 [ˈkæθˌəʊd rei]

美 [ˈkæθˌod re]

cathode ray意思解释

n.

阴极射线；

英英释义

n.

a beam of electrons emitted by the cathode of an electrical discharge tube

双语例句

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。