成语名称:勤勤恳恳:zealously and earnestly(be earnest and assiduous)英语: zealously and earnestly(be earnest and assiduous)勤勤恳恳造句:1...
成语名称:业精于勤:have a good command of through diligent study英语: have a good command of through diligent study业精于勤造句:1、意思是说学业由...