Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
Charley was the star of the team.
Charley，是当时队里的明星。
I hope to conclude some business with you.
我希望能与贵公司建立贸易关系。
Thank you very much. I'll return it as soon as I can.
非常感谢。我会尽快归还的。