名词
中文翻译：锌浓度
同义词：
['zinc content', 'zinc concentration例句：1. The zinc concentration in the soil is critical for plant growth.（土壤中的锌浓度对植物生长至关重要。）']
例句：
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1. The zinc concentration in the soil is critical for plant growth.
土壤中的锌浓度对植物生长至关重要。
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2.The zinc concentration in the water has decreased significantly.
水中的锌浓度显著下降。
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3.The zinc concentration in the food was below the recommended level.
食物中的锌浓度低于推荐水平。