second backcross gen

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second backcross generation
英 [second backcross generation]
美 [second backcross generation]

中文释义

第二回交子代

单词分析

单词结构：

second backcross generation

字母数：27

记忆提示

🎯 重点记忆：

  • 单词拼写：second backcross generation
  • 核心含义：第二回交子代

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更新时间：2026-08-29 17:14:59