bottom ratchet wheel

英 [bottom ratchet wheel]
美 [bottom ratchet wheel]

中文释义

(手制动)下棘轮

单词分析

单词结构：

bottom ratchet wheel

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：bottom ratchet wheel
  • 核心含义：(手制动)下棘轮

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更新时间：2026-02-01 03:00:44