Dense, rich and loamy, this earth forms a stark contrast with the thin, poor soils of the region. (It seems a paradox, but rain forest soils have low fertility.

• 它稠密、多产、肥沃，与当地稀松、贫瘠的土壤形成了鲜明的对比。（这看起来似乎很矛盾，但是雨林土壤的养分含量很低。