echo experiment

英 [echo experiment]
美 [echo experiment]

中文释义

[地物] “回声”试验

单词分析

单词结构：

echo experiment

字母数：15

记忆提示

🎯 重点记忆：

  • 单词拼写：echo experiment
  • 核心含义：[地物] “回声”试验

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更新时间：2026-03-15 01:00:04