Dimethylarsineethylsulfide
乙硫化二甲胂
??? 情景例句
Will it take long?
要很久嗎？
You two don't have much contact
？ 你們倆沒怎么聯系嗎？
It's only three hundred pounds. But, of course, it's not as good as the expensive one.
它只要300英鎊。但是，它當然沒有價錢高那種好。