class B broadcasting

英 [class B broadcasting]
美 [class B broadcasting]

中文释义

二级广播

单词分析

单词结构：

class B broadcasting

字母数：20

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🎯 重点记忆：

  • 单词拼写：class B broadcasting
  • 核心含义：二级广播

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更新时间：2026-01-24 07:07:50