Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
How about today?
今天怎么样？
I'm worried about the appearance of the floor.
我担心地板的外观。
Fine. I'll start the paperwork for your order right away.
好啊，那我立刻就为你们的订单作准备了。