Dipropylurea
二丙脲
??? 情景例句
When's the next class?
下一次上課什么時候？
The amount you want to transfer.
您要轉帳的金額。
The curious bottle, which now adorns the bookcase in his study, was his first and last purchase of rare cosmetics.
在他書房的書柜里擺著那瓶形狀古怪的香水泥就是他第一次也是最后一次購買的稀有化妝品。