动词
中文翻译：盖章
同义词：
['impress', 'seal', 'engrave']
例句：
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1. The stamp on the envelope is from my grandpa's collection.
信封上的印章是爷爷收藏的。
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2. They stamped their signatures on the document.
他们在文件上盖章。
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3. The stamp collector has amassed a collection of rare stamps.
集邮爱好者收集了一套稀有邮票。