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
Let's take a snack break.
咱们休息一下，吃点东西吧。
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
That was a long time ago,wasn't it?
那是好久以前的事了。是吗？