名词
中文翻译：黑土
同义词：
['black soil', 'fertile soil']
例句：
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1. The black soil is rich in nutrients and supports a wide variety of plants.
黑土富含养分，支持着多种植物的生长。
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2. Farmers rely on the black soil to grow crops that are high in protein.
农民依赖黑土种植高蛋白的作物。
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3. The black soil has been used for centuries as a natural fertilizer.
黑土作为一种天然肥料，被使用了几个世纪。