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
What kind of computers are you experienced in?
你熟悉哪种电脑？
What do you want to be after school?
当你完成学业以后，你要做什么？
She won't have any trouble.
对她不会有什么困难的。