短語詞組短語steep cultivated slope land 陡坡耕地regulation of cultivated slope land 坡耕地治理slope cultivated land use 坡耕地利用slope cultivated land 坡耕地purple slope cultivated land 紫色土坡耕地utilization of slope cultivated land 坡耕地利用slope dry cultivated land 旱坡耕地cultivated land on steep slope 陡坡耕地 返回 cultivated slope land