necessity certificate

英 [necessity certificate]
美 [necessity certificate]

中文释义

[经] 需要证明书

单词分析

单词结构：

necessity certificate

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：necessity certificate
  • 核心含义：[经] 需要证明书

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更新时间：2025-12-19 19:59:16