常見例句This vaccine will give you immunity for two years. 接種這種疫苗可有兩年免疫力。An unapproved vaccine; an unapproved protest march. 未經(jīng)試騐的疫苗; 未獲批準的抗議示威An oral thermometer; an oral vaccine. 口用躰溫計; 口服菌苗It belongs to a group of viruses that includes the smallpox virus (variola), the virus used in the smallpox vaccine (vaccinia), and the cowpox virus. 它屬於一個包括天花病毒、在天花疫苗中採用的病毒和牛痘病毒的病毒組。It belongs to a group of viruses that includes the smallpox virus( variola), the virus used in the smallpox vaccine( vaccinia), and the cowpox virus. 它屬於一個包括天花病毒、天花疫苗中採用的病毒和牛痘病毒的病毒組。 返回 variola vaccine