first speed gear

英 [first speed gear]
美 [first speed gear]

中文释义

头档齿轮

单词分析

单词结构：

first speed gear

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：first speed gear
  • 核心含义：头档齿轮

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更新时间：2026-01-30 08:28:16