primary level of prevention

英 [primary level of prevention]
美 [primary level of prevention]

中文释义

第一级预防

单词分析

单词结构：

primary level of prevention

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：primary level of prevention
  • 核心含义：第一级预防

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更新时间：2025-12-09 16:44:26