students poor eyesight rate学生视力低下率
poor part rate不良率
poor eyesight rate视力不良率
students ' poor eyesight rate学生视力低下率
Pro-Poor GrOWth Rate益贫式增长率
poor rate of eyesight视力不良率
poor low-consuming rate穷者低消费率
N(名词) a rate or tax levied by parishes for the relief or support of the poor (教堂征收的)贫民救济税 [English history]