vacuum-tubes

英 [vacuum-tubes]
美 [vacuum-tubes]

中文释义

真空管

单词分析

单词结构：

vacuum-tubes

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：vacuum-tubes
  • 核心含义：真空管

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更新时间：2026-01-05 15:47:44