Dihydroxypropane
[醫] 二羥基丙烷
??? 情景例句
Why do you plan to leave the present job?
你為什么打算離開現在的工作？
Competition for this kind of goods is tough.
這種商品的競爭非常激烈。
I would like to ask you about some stamps.
我想問問有關一些郵票的事。