Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of polyhalides depends on the combination of a central halide ion with a halogen.多卤...
Halogen atoms contain seven electrons in their valence shell.卤原子在它们的介电子层含有七个电子.Without doubt chloroform is one of the most important compounds containing a carbon - halogen bond.毫无疑问,氯仿是含碳?卤键的最重要的化合物之一.The formation of p...
That sofa? Hmm. Put it in the living room.那张沙发? 嗯, 放在起居室吧.I spent the evening sprawled on the sofa, watching TV.我一整晚都摊在沙发上看电视。He sat on the two-seater sofa in the partitioned office.他坐在用隔板隔开的办公室里的双人沙发上。She raised higher ...