postmark

US /ˈpoʊst.mɑːrk/
UK /ˈpoʊst.mɑːrk/
"postmark" picture
1.

郵戳

an official mark stamped on a letter or parcel at a post office, indicating the place and date of posting and cancelling the stamp

:
The letter had a clear postmark from London.
這封信有清晰的倫敦郵戳
Check the postmark to see when it was sent.
檢查郵戳,看看是什麼時候寄出的。
1.

蓋郵戳

stamp a postmark on (a letter or parcel)

:
The clerk will postmark your letter at the counter.
工作人員會在櫃檯給你的信件蓋上郵戳
Make sure they postmark it today.
確保他們今天蓋上郵戳