Ppps
[医][=polyvalent pneumococcal polysaccharide]多价肺炎双球菌多糖
🗣️ 情景例句
I know that, but ...
这我知道， 但是……
If the eye do no admire, the heart will not desire.
眼不馋，心不贪。
One day, the man downstairs went to talk to the man. He went upstairs and knocked the door.
一天，楼下人去找楼上人谈谈。 他上楼敲门。