Antismallpox vaccine
[化] 抗天花血清
🧩 词语组成解析
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
Grandpa!
爷爷！
Better be the head of an ass than the tail of a horse.
宁为驴头，不为马尾。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。