单词	ring the knell
释义	ring the knell 敲丧钟
随便看	index system of land use index system of marketing effect index system of nutrient abundance index system of performance index system of performance appraisal index system of program evaluation index system of social evaluation index system of valuation index system preliminary construction index to boundaries index to compilation index to economic progress index systems index system screening index systems of macroeconomics index tab index table index table machine index tag index tape head index target index target segment index target set index technique index techniques