Precanceling
（收寄大宗邮件或邮包时）预先盖销（邮票）( precancel的现在分词 )
🗣️ 情景例句
I'll chop the onions.
我要去切洋葱。
He is a doctor. He has his own practice.
他是个医生，他自己开业。
Oh? Is there some trouble?
哦，有什么问题吗？