牛痘苗

niúdòumiáo
  1. (immunology) (smallpox) vaccine
  2. (smallpox) vaccine

Wiktionary

Entry Composition

1 牛痘 niúdòu cowpox
=2 苗 Miáo
  1. Hmong or Miao ethnic group of southwest China
  2. surname Miao
=2 苗 miáo sprout