n.邮戳
例句:
he imprinted a letter with a postmark.
他在信件上盖上了邮戳。
if i hadn't noticed the swiss postmark
如果我注意到瑞士的邮戳
every item mailed at the santa claus main post office is postmarked by hand with a special arctic circle postmark.
每封寄往圣诞邮局的信件都被手工加盖一个特殊的北极圈邮戳。