This article introduced a method for preparing α - chloro - isobutylaldehyde , in order to explore a practical chloration of oxo - compound.本文介绍了制备氯代异丁醛的方法, 其目的在于探索羰基化合物的一种实用的氯代方法....
Winning this game is going to be duck soup.赢得这场比赛是轻而易举的事.Everybody can cook food, but cooking is not duck soup.人人都能做饭, 但烹调不是件容易的事.I'd like to have the sliced duck soup with mushroom.我想要鸭片蘑菇汤....