Dibromomethylethylketone
二溴丁酮
??? 情景例句
why you have so many problems with math.
為什么你在數學方面有那么多問題。
There's a shuttle bus we can use.
我們可搭乘機場班車。
They could be saved so much misery and expense if they chose to live in the city where they rightly belong.
要是他們愿意住在本來屬于他們的城市，則可以讓他們省去諸多不便與節約大量開支。