名词
中文翻译：酸度
同义词：
['acidity', 'acidity level', 'acidity index例句：1. The food was so sour that it made my stomach hurt.（这食物太酸了，让我的胃都疼了。）']
例句：
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1. The food was so sour that it made my stomach hurt.
这食物太酸了，让我的胃都疼了。
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2.The wine had a high acidity level, which made it difficult to drink.
这酒酸度很高，喝起来很困难。
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3.The pH of the soil is an important indicator of its acidity.
土壤的pH值是衡量其酸性的重要指标。