Bacterial vaccine
[医] 菌苗
🧩 词语组成解析
bacterial
[bæk'tiriəl]
adj. 细菌的;细菌性;
vaccine
['væksi:n]
n. 疫苗，痘苗;
adj. 痘苗的，疫苗的;
🗣️ 情景例句
I'll have a contract
我会准备好一张合同
What a coincidence!
真巧！
He has been sick for three weeks.
他已经病了几周了。