hand signaling devices

英 [hand signaling devices]
美 [hand signaling devices]

中文释义

手动信号设备

单词分析

单词结构：

hand signaling devices

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：hand signaling devices
  • 核心含义：手动信号设备

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更新时间：2026-03-23 16:22:22