Disulphides
(disulphide 的复数) n.二硫化物
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
The sewing machine is out of order.
这缝纫机坏了。
I turned the corner and looked in astonishment.
我转了个弯，十分惊奇地看着。