名词
中文翻译：比例
同义词：
['ratio', 'proportion', 'ratio', 'proportion', 'ratio', 'proportion', 'ratio', 'proportion', 'ratio', 'proportion']
例句：
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1. The ratio of male to female students in the class is 5:1.
班上男生和女生的比例是5:1。
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2. The ratio of sugar to water in this recipe is 1:1.
这个食谱中糖和水的比例是1:1。
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3. The ratio of fat to carbohydrates in the diet should be balanced.
饮食中脂肪与碳水化合物的比例应该平衡。