Disulphides
(disulphide 的复数) n.二硫化物
🗣️ 情景例句
I heard that some tours actually go down into the canyon. Is that true?
我听说有的旅游团真正下到峡谷里去了。那是真的吗？
It's nice to see you again. Have you changed jobs?
又见到你很高兴。你换了工作了吗？
How do they come packaged?
货是怎样装的呢？