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
Good morning, Mr. Smith. I brought the contract you are been looking for.
上午好，斯密司先生。我带来了你要等待的合同。
Do I have to take my pants off, too?
我也得脱下裤子吗？
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。