preparatory training

英 [preparatory training]
美 [preparatory training]

中文释义

步(预备)培训

单词分析

单词结构：

preparatory training

字母数：20

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🎯 重点记忆：

  • 单词拼写：preparatory training
  • 核心含义：步(预备)培训

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更新时间：2025-12-09 23:29:09