Acetylenediiodide
[建] 乙炔化二碘, 恒二碘代乙烯, 二碘乙烯
??? 情景例句
Are you used to eating western food yet?
你習慣吃西餐了嗎？
I want to purchase some computers from your company.
我想從貴公司購買一些電腦。
I don't think so.
不知道。