名词
中文翻译：比率
同义词：
['proportion', 'ratio', 'proportionate']
例句：
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1. The teacher explained the problem in a ratio of 2:3.
老师以2:3的比例解释了这个问题。
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2. The students were divided into three groups based on their performance in the test.
学生们根据他们在测试中的表现被分成了三组。
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3. The ratio of sugar to water in this recipe is crucial for achieving the desired texture.
食谱中糖与水的比例对于达到理想的口感至关重要。