Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
If you want to make the intelligent choice, Trust me on this.
如果你想作出明知的抉择，那就相信我吧。
Was I supposed to help you today?
今天我想帮你忙。
He wasn't dreaming, officer.I was telling him to drive slowly.
警官，他思想没有开小差。我刚才正告诉他开慢点。