chronic sources of i

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chronic sources of infection
[chronic sources of infection]
[chronic sources of infection]

中文释义

慢性传染源

单词分析

单词结构:

chronic sources of infection

字母数:28

记忆提示

🎯 重点记忆:

  • 单词拼写:chronic sources of infection
  • 核心含义:慢性传染源