它们叫做构象异构体,也叫做异象体.They are said to be conformational isomers also called conformers.然而 “ 立体异构”一词通常只限于镜象异构.The team'stereoisomerism " however, is generally restricted to mirror image isomerism.异构体被定义为化学式相同而结构不同的化合物.Is...
他听到外屋有人说话。He heard a voice in the outer room.外屋里响起了又重又急的脚步声,显然有人慌慌张张地走进来了.Rapid footsteps hurried into the next room . Obviously someone was bringing an urgent message.于是我说,我到外屋去和文米克谈谈.So, I said I would go into the oute...