before-and-after design

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

中文释义

前测后测设计

单词分析

单词结构：

before-and-after design

字母数：23

记忆提示

🎯 重点记忆：

  • 单词拼写：before-and-after design
  • 核心含义：前测后测设计

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更新时间：2026-02-03 06:30:06