stamp A on B | stamp B with A (often be stamped) to print letters, words, a design, etc. onto sth using a special tool 把（字样、图样等）盖印在…上面；在…上面铭刻（字样、图样等）◆The box was stamped with the maker's name. 这个盒子上印有制造商的名称。◆The envelope had ‘Private’ stamped on it. 信封上印有“私人”字样。
(usually be stamped) to stick a stamp on a letter or package （在信或包裹上）贴邮票