Precancelling
（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 did.
看到了。
He has a sweeter.
他有一件毛衣。
The plane was then able to rise and it cleared the mountains by 400 feet.
于是飞机可以上升了，它在离山头400英尺的高度飞越了过去。