名词
中文翻译：比率
同义词：
['proportion', 'proportionate', 'ratio']
例句：
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1. The teacher explained the problem to us in a ratio of parts.
老师以部分的比例向我们解释了这个问题。
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2. The company's profits have increased by a ratio of 30% since last year.
公司的利润自去年以来增加了30%。
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3. The ratio of sugar to water in this recipe is crucial for the final taste.
食谱中糖与水的比例对于最终的味道至关重要。