substitution standard

英 [substitution standard]
美 [substitution standard]

中文释义

替代标准

单词分析

单词结构：

substitution standard

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：substitution standard
  • 核心含义：替代标准

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更新时间：2026-01-31 00:37:40