vaccine解释为：疫苗
vaccine详细解释
n.疫苗
例句与用法：
A prophylactic agent, device, or measure, such as a vaccine or drug.
预防剂预防性的物质、器具或措施，比如疫苗或药物
The vaccine was used to protect the whole population against infection.
这种疫苗用以为全体居民预防传染病。
The search for a new vaccine took priority over all other medical research.
在各种医药研究中，应首先解决寻找新疫苗的问题。
This vaccine will give you immunity for two years.
接种这种疫苗可有两年免疫力。
详细释义：
a.
牛痘的; 疫苗的
n.
牛痘苗; 疫苗
