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
Do what you are told.
叫你怎么做，你就怎么做。
No sooner said than done.
言而必行。
Not too much, said Lucy. I didn't spend all the money. I brought some of it back again.
“不太多，”露西说，“我并没有完你给的钱。我带回来一些钱。”