yóupiào yánjiù
See also:
yóupiào yánjiū
Mandarin
Romanization
yóupiào
yánjiù
(
Zhuyin
ㄧㄡˊ ㄆㄧㄠˋ ㄧㄢˊ ㄐㄧㄡˋ
)
Hanyu Pinyin
reading of
郵票研究
/
邮票研究