Pneumococcal vaccine
[医]肺炎球菌菌苗<生物制品>
🧩 词语组成解析
[医] 肺炎球菌的
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
Or at least I think I do.
至少我想我有了答案。
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
From there, he hitchhiked to Paris in a lorry.
从那里他又搭上卡车到了巴黎。