双语例句
A vaccine prepared from the cowpox virus and inoculated against smallpox.
牛痘苗从牛痘毒素提取的用来预防天花的疫苗。
词典释义：
cowpox virus
时间: 2026-04-01 20:19:15
牛痘病毒
词典释义：
牛痘病毒
A vaccine prepared from the cowpox virus and inoculated against smallpox.
牛痘苗从牛痘毒素提取的用来预防天花的疫苗。