Thioketal
[化] 酮縮硫醇
??? 情景例句
Well, I've thought a lot about which college,
嗯， 我為了上哪一所大學(xué)想了很多，
I want to purchase some computers from your company.
我想從貴公司購買一些電腦。
But my baby, I can't leave her by herself.
可是我的孩子……，我不能把她一個人留著呀。”