substitution drill

英 [substitution drill]
美 [substitution drill]

中文释义

替换训练

单词分析

单词结构：

substitution drill

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：substitution drill
  • 核心含义：替换训练

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更新时间：2026-01-30 00:05:04