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
Unfortunately, no.
很遗憾，没有。
Good luck!
祝你好运！
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。