Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
OK. Good night.
好， 晚安。
Would you like to leave any message?
你要留什么话吗？
Oh, dear! What's wrong?
噢，天哪！怎么啦？