first-class certificate

英 [first-class certificate]
美 [first-class certificate]

中文释义

一等证书

单词分析

单词结构：

first-class certificate

字母数：23

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🎯 重点记忆：

  • 单词拼写：first-class certificate
  • 核心含义：一等证书

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更新时间：2026-01-30 00:47:39