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
It's on the house.
这是免费的。
After a storm comes a calm.
否极泰来。
We often call him by his nickname.
我们经常叫他的绰号。