成语名称:端本正源:attack a problem at its root英语: attack a problem at its root成语近义: 端本清源(duān běn qīng yuán):端:端正,清理;本:根本;源:根源。指...
成语名称:端端正正:as level as a die(true as a die)英语: as level as a die(true as a die)端端正正造句:1、上课铃响后,整个教室鸦雀无声,一根针掉到地上的声音都能听到。同学们...