Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
I'm not big enough.
我还不够大。
A few cars,however, completed the race.
然而还是有几辆汽车跑完了全程。