郵票研究 [邮－－－]

Jyutping jau4 piu3 jin4 gau3
Pinyin yóu piào yán jiù

Definitions (Wiktionary)
  1. noun
    philately (study of postage stamps)

郵票研究 [邮－－－]

Jyutping jau4 piu3 jin4 gau3
Pinyin yóu piào yán jiū

Definitions (Wiktionary)
  1. noun
    philately (study of postage stamps)