Uramite
[化] 聚脲甲醛
??? 情景例句
We had a good day.
我們今天玩得很開心。
Industry is fortune's right hand, and frugality her left.
勤勉是幸運的右手，節(jié)約是幸運的左手。
Let's move on to what makes our product sell so well.
讓我來說明是什么原因使我們的產(chǎn)品銷售得那么好。