相关数据
vaccine
[væk'sin]
释义
n.疫苗；牛痘苗
a preparation introduced into the body to prevent a disease by causing the body to produce antibodies against it, usually a weakened substance containing the virus causing the disease against which the body can react.
例句
Earl:How long is this gonna take? I didn't wait this long for the polio vaccine.(2 Broke Girls)
厄尔：还要多长时间啊？等小儿麻痹症的疫苗也没那么长时间。（破产姐妹）
