土被

例句：

1. 1. The soil is being eroded by the wind.
   土壤正被风侵蚀。
2. 2.The farmers need to protect their crops from soil damage.
   农民需要保护他们的作物免受土壤损害。
3. 3. The soil quality in this area has been severely damaged by pollution.
   该地区的土壤质量因污染而严重受损。