retroreflective sign

英 [retroreflective sign]
美 [retroreflective sign]

中文释义

复归反射标识

单词分析

单词结构：

retroreflective sign

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：retroreflective sign
  • 核心含义：复归反射标识

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更新时间：2026-02-02 00:50:29