常见例句用作名词 (n.)You must stamp these letters before you post them.信要加盖邮戳后才能寄出。Postmark is an official mark printed over a postage stamp.邮戳是印于邮票上的官方戳记。用作动词 (v.)You must stamp these letters before you post them.信要加盖邮戳后才能寄出。 返回 date stamp