我知道自己前言不搭后语。I know that I am getting my words muddled up.随着夜色加深，他说话越来越前言不搭后语了。As the evening progressed, he became increasingly incoherent.该书前言记述了作者生平.The preface of the book includes an account of the author's life...
色泽是反射和衍射的综合效果.Lustre is the integral effect of reflection and diffraction.由热磁 、 电阻率 、 差热分析和 X 射线衍射的测量结果分析了样品的晶化转变.As the experimental results ofthe thermomagnetization, resistivity, DSC and X - ray diffraction, the cryst...