Difluorodibromomethane
二氟二溴甲烷
??? 情景例句
Well, why didn't you tell me?! Now, what's the restaurant's address?
那你為什么不早告訴我？餐廳的地址是？
If they say you are good,ask yourself if it be true.
若有人稱贊，自問對不對。
Why did you stay at home?
為什么呆在家里？