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certificate of necessity
certificate of necessity
英
[certificate of necessity]
美
[certificate of necessity]
中文释义
[经] 必要证书
单词分析
单词结构:
certificate of necessity
字母数:24
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🎯 重点记忆:
单词拼写:certificate of necessity
核心含义:[经] 必要证书
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更新时间:2026-03-18 19:21:52