cathode ray tube
noun/ˌkæθəʊd ˈreɪ tjuːb/
/ˌkæθəʊd ˈreɪ tuːb/
- a vacuum tube that was used in the past inside a television or computer screen, etc., and from which a stream of electrons produced images on the screen
阴极射线管 - the invention of the cathode ray tube
阴极射线管的发明
- the invention of the cathode ray tube