certified sample

英 [certified sample]
美 [certified sample]

中文释义

有证样品

单词分析

单词结构：

certified sample

字母数：16

记忆提示

🎯 重点记忆：

  • 单词拼写：certified sample
  • 核心含义：有证样品

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更新时间：2025-12-24 03:23:05