focus of natural infection

英 [focus of natural infection]
美 [focus of natural infection]

中文释义

自然疫源地

单词分析

单词结构：

focus of natural infection

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：focus of natural infection
  • 核心含义：自然疫源地

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更新时间：2026-02-08 22:59:27