Valency isomerism
[化] 价异构; 原子价异构现象
🧩 词语组成解析
[化] 化合价\\n[医] 效价; 价(化合价,原子价)
n. 异性\\n[化] 异构; 异构现象
🗣️ 情景例句
It's not easy,
实在不容易。
Let every man speak well of the bridge theat carries him over.
饮水思源。
We are so familiar with the fact that man ages,
我们对人总是要衰老的现象并不陌生，