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
I'm glad to help.
我很乐意帮忙。
A bit in the morning is better than nothing all day.
略有胜于全无。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。