Disulphid
n. 二硫化物
🗣️ 情景例句
The champions of the West!
西部的优胜者
It is my pleasure to introduce the keynote speaker for today.
我很荣幸地介绍今天的主讲人。
Wei Hua's pen was broken, so she needed a new one.
魏华的钢笔坏了，所以她需要一支新笔。