preparatory period

英 [preparatory period]
美 [preparatory period]

中文释义

预备期

单词分析

单词结构：

preparatory period

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：preparatory period
  • 核心含义：预备期

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更新时间：2026-03-20 20:58:27