approved standards

英 [approved standards]
美 [approved standards]

中文释义

已批准标准

单词分析

单词结构：

approved standards

字母数：18

记忆提示

🎯 重点记忆：

  • 单词拼写：approved standards
  • 核心含义：已批准标准

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更新时间：2026-02-22 16:59:53