Sauer's vaccine
[医] 索尔氏菌苗(预防百日咳)
🧩 词语组成解析
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
The belief crisis occurring in the younger generation may turn out to be a big problem.
年轻一代的信仰危机很可能演化成为一个大问题。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
We arrived in London this afternoon.
我们是今天下午到达伦敦的。