retracting cylinder

英 [retracting cylinder]
美 [retracting cylinder]

中文释义

伸缩筒

单词分析

单词结构：

retracting cylinder

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：retracting cylinder
  • 核心含义：伸缩筒

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更新时间：2026-02-04 07:14:56