集邮，英文叫做 "philately"。这个词来源于希腊语，"philos" 意为 "爱"，"ateleia" 意为 "免费邮寄"。因此，"philately" 的意思就是 "爱好邮票"。
例句：
I'm interested in philately. (我对集邮感兴趣。)
He has been collecting stamps for years and is now a knowledgeable philatepst. (他已经收集邮票多年，现在是一位知识渊博的邮票收藏家。)
Philately is a fascinating hobby that combines history, art, and geography. (集邮是一项迷人的爱好，它结合了历史、艺术和地理。)