留印象的英文：
stamp

stamp是什么意思：
n. 邮票；特征；印章；印花；跺脚
v. 贴邮票于；盖章于；跺（脚）；标出

They are stamp collectors. They often trade stamps with each other.
他们是集邮者。他们经常互相交换邮票。

A stamp or seal meant to be impressed.
图章用来盖戳的图章或印章

This machine perforates the sheets of stamps.
这台机器在这整版邮票上面穿孔。

The official stamp is on the desk.
公章在书桌上。

All of these stamps are from China.
所有这些邮票来自中国。