safety crank

英 [safety crank]
美 [safety crank]

中文释义

安全曲柄

单词分析

单词结构：

safety crank

字母数：12

记忆提示

🎯 重点记忆：

  • 单词拼写：safety crank
  • 核心含义：安全曲柄

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更新时间：2026-01-06 01:59:34