单词	coal winning
释义	coal winning 回采
随便看	spectrum of colour spectrum of complexity spectrum of defects spectrum of difference value spectrum of disability spectrum of disease spectrum of diseases Spectrum of drug-resistance spectrum of effect spectrum of electromagnetic wave spectrum of element in normed ring Spectrum of energy density spectrum of exciton spectrum of first order spectrum of forbidden beta dacay spectrum of frequency spectrum of function spectrum of geographical elements spectrum of graph spectrum of host plants spectrum of infection spectrum of interest rates spectrum of leprosy spectrum of matrix Spectrum of Meaning