1. Swidden cultivation, also known as slash-and-burn agriculture, is a traditional farming practice in many tropical regions.（轮藏地耕种，又称刀耕火种，是热带地区的传统农业实践。）

2. The indigenous people have been practicing swidden agriculture for centuries, relying on the natural regeneration of the land after burning.（土著民族几个世纪以来一直在从事轮藏地农业，依靠火烧后土地的自然恢复。）