释义 |
backstamp I. \ˈ ̷ ̷| ̷ ̷\ transitive verb Etymology: back (I) + stamp : to stamp on the back; specifically : to stamp (a piece of mail) with the date of receipt and the name of the receiving post office along the transportation route II. noun : a stamp (as a date stamp or postmark) on the back of a piece of mail |