名词
中文翻译：碱值
同义词：
['alkalinity', 'alkalinity index']
例句：
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1.The soil's alkaline number is high, which affects the growth of plants.
土壤的碱度很高，这影响了植物的生长。
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2. To control soil acidity, farmers often add lime to raise the alkaline number.
为了控制土壤酸度，农民们常常添加石灰来提高碱度。
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3. The alkaline number of the lake water has been reduced significantly due to the treatment.
由于处理，湖水的碱度已经显著降低。