postmarks
n. 邮戳
v. 在（邮件）上盖……的邮戳
复数 postmarks
第三人称单数 postmarks
现在分词 postmarking
过去式 postmarked
过去分词 postmarked
例句
The collection and study of stamps, postmarks, and related materials collecting.
集邮对，邮戳和有关的材料的收集和研究；收集。
The collection and of postage stamps, postmarks, and related materials stamp collecting.
集邮对邮票，邮戳和有关的的收集和；邮票收集。
The collection and study of postage stamps, postmarks, and related materials; stamp collecting.
