耕地扩张很快，而土壤盐渍化面积仍然居高不下。

However farmland extend quickly, and the area of salinity still keep been high degree.

youdao

耕地扩张很快，而土壤盐渍化面积仍然居高不下。

However farmland extend quickly, and the area of salinity still keep been high degree.

youdao