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
How did you do that?
你怎么做到的呢？
In life, as in chess, forethought wins.
人生如下棋，多谋得胜利。
German is a more difficult language than English is.
德语比英语难学。