Biruet
[化] 縮二脲
??? 情景例句
I've never been more serious.
我從來沒有比現在更認真了。
It's unlikely he's here.
看樣子他不象在這兒。
Yes. It's very different from Australia at this time of year.
對。這個時節這兒的天氣與澳大利亞的大不相同。