u.s. patent and trad
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u.s. patent and trademark office
英
[u.s. patent and trademark office]
美
[u.s. patent and trademark office]
中文释义
美国专利暨商标局
单词分析
单词结构:
u.s. patent and trademark office
字母数:32
记忆提示
🎯 重点记忆:
- 单词拼写:u.s. patent and trademark office
- 核心含义:美国专利暨商标局
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更新时间:2026-10-01 16:20:27