cathode ray
noun [ C ] uk/ˈkæθ.əʊd ˌreɪ/ us/ˈkæθ.oʊd ˌreɪ/
阴极射线（在一个真空或填充特种气体的封闭容器内，由阴极发射的电子束）
a flow of electrons sent out by a cathode inside a closed container from which the air has been removed or which contains a special gas
| 单词 | cathode ray |
| 释义 | cathode ray noun [ C ] uk/ˈkæθ.əʊd ˌreɪ/ us/ˈkæθ.oʊd ˌreɪ/ 阴极射线（在一个真空或填充特种气体的封闭容器内，由阴极发射的电子束） a flow of electrons sent out by a cathode inside a closed container from which the air has been removed or which contains a special gas |
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