黑药和镁的混合物具有离析的倾向.Mixture of black powder and magnesium have a tendency to segregate.这能离析为旋光异构体 吗 ?Can it be resolved into optical isomers?看物质能否由于沸腾和冻结而离析为组成该物质的元素.See whether the material can be separated into its element...
She kept up with the fortunes of the Reeves family.她一直关注着里夫斯家族的兴衰。That must be Conrad Reeves.一定是康拉德?里弗斯.As always, he felt disloyal at deserting his neighbor, the Reeves Building Barber Shop.跟往常一样, 他不照顾自己的邻居--里夫斯大楼的理发馆,总...