postmark
US /ˈpoʊst.mɑːrk/
UK /ˈpoʊst.mɑːrk/
1.
邮戳
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.
这封信有清晰的伦敦邮戳。
•
Check the postmark to see when it was sent.
检查邮戳，看看是什么时候寄出的。