undersea surveillance

英 [undersea surveillance]
美 [undersea surveillance]

中文释义

水下监视

单词分析

单词结构：

undersea surveillance

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：undersea surveillance
  • 核心含义：水下监视

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更新时间：2026-03-16 21:57:19