Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
I don't know where I am.
我不知道我身在何处。
but only if you're blessed with a sanguine disposition
你必须性格开朗，