Smallpox vaccine
[医] 牛痘苗
🧩 词语组成解析
smallpox
['smɔ:lpɔks]
n. 天花;痘疮;痘;
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
He's so funny.
他喜欢开玩笑。
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
She might have had an accident.
可能出事了。