Dinitrocarbanilide
[化] 對稱二硝苯脲
??? 情景例句
Have you filled in the baggage declaration?
行李申請單填好了嗎？
A change of work is as good as a rest.
調換一下工作是很好的休息。
All that is in my mind when I meet a young person.
每逢我遇到年輕人，腦子里就想到，