Antismallpex vaccine
[机] 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
What's it for?
是做什么用的？
Laugh before breakfast you'll cry before supper.
乐极生悲。
That's a good idea! I'm sure she'll like it.
这是个好主意！我相信她会喜欢的。