retained material

英 [retained material]
美 [retained material]

中文释义

筛余粗料

单词分析

单词结构：

retained material

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：retained material
  • 核心含义：筛余粗料

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更新时间：2026-01-22 23:46:00