philately
n. 集邮;邮票研究;集邮者
例句
Philately and related merchandise.
五集邮及其相关商品。
The world of philately soon got to know the rings.
集邮界很快就知道了奥运五环标志。
Philately is the study and collection of stamps.
集邮是对邮票进行收集和研究。