Valency
[化] 化合价\\n[医] 效价; 价(化合价,原子价)
📖 牛津释义
valency
(US valence) n (chemistry 化) unit of the combining-power of atoms （原子的）（化合）价
Carbon has 4 valencies. 碳的化合价是四价.
🏥 医学释义
①效价 ②化合价
🗣️ 情景例句
Right.
对。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
This is to help you start your school.
这是帮助你开办学校用的。