名词
中文翻译：比例
同义词：
['proportion', 'proportionate', 'ratio', 'quotient']
例句：
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1. The teacher explained the problem in terms of the ratio of parts.
老师用部分的比例来解释这个问题。
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2. The ratio of sugar to water was 1:10.
糖与水的比例是1:10。
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3. The ratio of male to female students is about 50%.
男生和女生的比例大约是50%。