Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
I think I'll wait until tomorrow.
我想我就等明天再谈。
Harm watch, harm catch.
害人反害己。
To serve the people well, I study hard.
为了更好的服务于人民，我好好学习。