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cathode-ray pencil
cathode-ray pencil
英
[cathode-ray pencil]
美
[cathode-ray pencil]
中文释义
阴极射线束;电子束
单词分析
单词结构:
cathode-ray pencil
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:cathode-ray pencil
核心含义:阴极射线束;电子束
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更新时间:2025-12-23 18:11:20