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
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
The price is reasonable.
价格还算合理。