Salk vaccine
[医] 索耳克氏疫苗(预防脊髓灰质炎的灭活疫苗)
🧩 词语组成解析
索尔克（姓氏）
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
I can't go another step because I'm pooped.
我一步也走不动了，我已经精疲力尽了。
I give you my word for it.
对于此事我向你保证。
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。