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1. Oxford American Dictionary

   cathode ray tube

   • IPA[ˈkaˌTHōd rā to͞ob]

   • n.
     a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used in televisions and computer terminals.

   • noun: cathode ray tube, plural noun: cathode ray tubes

2. • 更多解釋

   cathode ray tube

   英式

   • n.
     a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used ...

   Oxford Dictionary