Poliovirus vaccine
脊髓灰质炎病毒疫苗，小儿麻痹活毒疫苗
🧩 词语组成解析
[医] 脊髓灰质炎病毒
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
And what about Michelle?
那Michelle怎么办？
If he doesn't help him, I will.
如果他不，我将帮助他。
Kunta wondered why the white people had done this to him.
孔塔不知道白人为什么要这样对待他。