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...
I prefer going to the cinema to watching TV.我更喜欢看电影而不是看电视。The man was standing in his doorway watching him.那个男人站在门口盯着他看。For a few minutes she sat on her bed watching the clock.她坐在床上盯着时钟看了几分钟。...
The children pretend to be different animals dancing to the music.孩子们扮成不同的动物，随着音乐起舞。It would be idle to pretend the system is perfect.假装系统完美无疵是徒劳的。I pretend that things are really okay when they're not.当情况不好的时候我假装一切...
When his schoolmate made the last goal, the boy gave out with an untrammeled yell.那个男孩在他的同学踢进最后一球时不禁纵声欢呼.He finds his old schoolmate, Foker, now installed in Miss Blanche's affections.他发现他的老同学福克已经赢得了布兰奇小姐的感情.Does sh...
他获哥伦比亚大学政治学博士学位.He received a doctorate of philosophy in political science at Columbia University.鲍勃以其在经济学、法学和政治学领域的成就而为人们所牢记。Bob is best remembered for his work in economics, jurisprudence and political science .数学 、 心理...