Aminoquincarbamide
[化] 雙氨甲喹脲
??? 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽車上張貼著請勿吸煙的公告。
In prosperity think of adversity.
居安思危。
You forget that I was a medical student once upon a time.'
你忘了我以前是學醫的了。”