名词
中文翻译：比率
同义词：
['proportion', 'ratio', 'proportionate', 'proportionately']
例句：
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1. The teacher explained the problem in away that made sense to everyone.
老师以所有人都能理解的方式解释了这个问题。
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2. Theratio of black to whitestudents in the class is3:1.
班级中黑人学生与白人学生的比例是3:1。
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3.The ratio of sugar to water in thisrecipe is 1:1.
食谱中糖与水的比例是1:1。