单词	backing card
释义	backing card 衬靶纸
随便看	singular integral operator singularis singularise singularised singularises singularising singularism singulariss singularist singularists singularitan singularitarian singularitarians singularities singularity singularity analysis singularity at infinity singularity elimination singularity function singularity functions singularity line singularity matrix singularity of a curve singularity of curve singularity of indeterminacy 碧水东流至此回碧水惊秋碧水黄沙碧沼红莲倾倒开碧波南浦碧波新涨小池塘碧流霞脚碎碧浪湖者碧海无波碧海青天夜夜心 50078 50079 50080 50081 50082 50083 50084 50085 50086 50087