名词
中文翻译：硝酸盐
同义词：
['nitrite', 'nitrous acid']
例句：
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1.The soil is rich in nitrogen, which is essential for plant growth.
土壤富含氮，对植物生长至关重要。
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2. Nitrates are often used as fertilizers to improve soil quality.
硝酸盐常被用作肥料，以改善土壤质量。
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3. The nitrate levels in the water were high enough to support a thriving population of fish.
水中的硝酸盐含量足够高，足以支持一个繁荣的鱼类种群。