pre echo

英 [pre echo]
美 [pre echo]

中文释义

un. 预回声

单词分析

单词结构：

pre echo

字母数：8

记忆提示

🎯 重点记忆：

  • 单词拼写：pre echo
  • 核心含义：un. 预回声

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更新时间：2026-01-25 01:12:59