牛痘苗 niúdòumiáo smallpox vaccine Definitions Defs Origin Strokes Stroke Words Sentences Sents 牛痘苗 niúdòumiáo smallpox vaccine Vaccine made from the liquid in cowpox sores used to prevent smallpox. Frequency Written text 0.008 per million Cross-References Same as 痘苗 dòumiáo Sources Frequency data BCC Corpus (BLCU)
牛痘苗 niúdòumiáo smallpox vaccine Vaccine made from the liquid in cowpox sores used to prevent smallpox. Frequency Written text 0.008 per million Cross-References Same as 痘苗 dòumiáo Sources Frequency data BCC Corpus (BLCU)
