retention class

英 [retention class]
美 [retention class]

中文释义

[计] 留置类别

单词分析

单词结构：

retention class

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：retention class
  • 核心含义：[计] 留置类别

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更新时间：2026-03-11 04:14:29