I think it is time you woke up and focused your thoughts on more worldly matters...我认为是该你清醒过来把思想集中到更为现实的问题上的时候了。Degree courses have traditionally focused on the established great writers of the past.学位课程的内容一直以来都集中于过去的知名作...
Brian splashed water on his face, then brushed his teeth...布赖恩用水冲了把脸，然后刷牙。His spoken Arabic was hurriedly brushed up before he started for the Middle East.他在动身去中东以前,把阿拉伯口语匆匆复习了一下。He brushed away my views on politics.他不理会...
A typical example is the halogenation of a hydrocarbon.典型的例子是碳氢化合物的卤化.Addition Reactions to Alkynes, Hydrogenation , Halogenation and HX. Hydration of alkynes. Tautomerization.炔烃的加成, 氢化,卤化和HX. 炔烃的水化作用,互变异构化.In these meth...