natural mortality rate

英 [natural mortality rate]
美 [natural mortality rate]

中文释义

自然死亡率

单词分析

单词结构：

natural mortality rate

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：natural mortality rate
  • 核心含义：自然死亡率

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更新时间：2026-03-23 07:03:29