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 concept of ratio in mathematics to the students.
老师向学生们解释了数学中的比率概念。
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2. The ratio of sugar to water was 1:2.
糖与水的比率是1:2。
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3. The ratio of employees to managers is 5:1.
员工与经理的比率是5:1。