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
When you're ready to get off, remember to press the button near your seat.
当你要下车时，记得按你座位旁的按钮。
If you lose your way, ask a policeman.
如果你迷路了，可以向警察打听。
We'll need all our orders packed that way from now on.
今后我们所有的货都要照样包装。