热心网友
the loss of soil and water
热心网友
水土流失： soil erosion;再补充一个，水土保持：water and soil conservation
热心网友
soil and water loss
热心网友
Water washes away the soil.
热心网友
water and soil be washed away
the loss of soil and water
水土流失： soil erosion;再补充一个，水土保持：water and soil conservation
soil and water loss
Water washes away the soil.
water and soil be washed away