stamped

例句：

1. 1. The stamps on the envelope were all different.
   信封上的邮票都不同。
2. 2.The company's logo is stamped onto every product.
   公司的商标被印在每件产品上。
3. 3. The stamp collector was thrilled to receive a rare stamp.
   集邮者收到一枚罕见的邮票时非常兴奋。