Underprint
印在邮票图案下面的浅色底纹
🗣️ 情景例句
Thanks, Ellen.
谢谢，Ellen。
I will warn you.
我会警告你。
A policeman approached Jimmy and told him he ought to have gone along a side street as Jumbo was holding up the traffic.
一个警察走过来告诉吉米，他应该走一条小路，因为江泊阻碍了交通。