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
She sure keeps busy.
她真的是忙个不停。
Business is business.
公事公办。
It would strike twelve in twenty minutes' time.
再过20分钟，大钟将敲响12下。