Dibromoacetone
二溴丙酮
??? 情景例句
which is going out with a camera and a roll of film
那就是帶著照相機和一卷底片出去久
Don't forget to give it to him.
不要忘記送給他。
and because there is so much of it the function would seem to e important.
睡眠占去那么多時間，所以其作用似乎還是很重要。