Ureido
[化] 脲基
??? 情景例句
almost every night this week, Dad.
幾乎這個星期的每天晚上都如此， 爸爸。
It must be rather difficult for us to push any sales if we buy it at this price.
如果我們按這個價格購買，將很能難推銷。
John Dewey has said in all seriousness that the part played by custom in shaping the behaviour of the individual,as against any way in which he can affect traditional custom,
風俗在形成個人行為方面所起的作用和一個對風俗的任何影響相比，