形容词
中文翻译：不肥沃的
同义词：
['desertified', 'barren', 'impoverished例句：1. The soil is very illuvial', 'making it difficult for plants to grow.（土壤非常贫瘠，使得植物难以生长。）2. The area is known for its illuvial soil', 'which makes it challenging for farmers to cultivate crops.（该地区以其贫瘠的土壤而闻名，这使得农民种植作物变得困难。）']
例句：
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1. The soil is very illuvial, making it difficult for plants to grow.
土壤非常贫瘠，使得植物难以生长。
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2. The area is known for its illuvial soil, which makes it challenging for farmers to cultivate crops.
该地区以其贫瘠的土壤而闻名，这使得农民种植作物变得困难。
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3. The government has been working to improve the soil quality in the region, hoping to make it more illuvial for farming.
政府一直在努力改善该地区的土壤质量，希望使土壤更适合农业耕作。