weak echo region

英 [weak echo region]
美 [weak echo region]

中文释义

弱回波区

单词分析

单词结构：

weak echo region

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：weak echo region
  • 核心含义：弱回波区

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更新时间：2025-12-09 21:10:10