before-and-after test

英 [before-and-after test]
美 [before-and-after test]

中文释义

辐照前后试验

单词分析

单词结构：

before-and-after test

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：before-and-after test
  • 核心含义：辐照前后试验

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更新时间：2026-03-21 12:54:50