Quadrivalence
n. 四价\\n[医] 四价
🗣️ 情景例句
Do you think he liked my photographs?
你觉得他喜欢我的摄影吗
Any kind of backing out of the contract will be charged a penalty as has been stated in the penalty clause.
任何背弃合同的行为将受到惩罚，这已在处罚条款里写得很清楚了。
The pictures are on the wall.
画挂在墙上。