贴上邮票

例句：

1. 1. The postman stamped the envelope with his own stamp.
   邮差用他的印章在信封上盖了章。
2. 2. The stamp collector is always eager to find rare stamps.
   集邮者总是渴望找到稀有的邮票。
3. 3. The official stamped the document with his signature.
   官员用他的名字在文件上盖章。