Underprint
印在邮票图案下面的浅色底纹
🗣️ 情景例句
You have a most unusual eye.
你有着极为不寻常的眼光。
Opportunity seldom knocks twice.
机不可失，失不再来。
From the moment he arrived there, he kept on pestering his doctor to tell him when he would be able to go home.
从他进医院那一刻时，他就缠住医生，让医生告诉他什么时候能回家。