Butanetriol
[化] 丁三醇
??? 情景例句
Yes, I have been working in an advertisement company in the last two years.
是的，在過去兩年里，我一直在一家廣告公司工作。
This alone made our nine-day trip worthwhile.
光這件事我們9天的旅行就非常值得。
He is collecting money.
他在籌集資金。