形容词
中文翻译：Unknown
同义词：
['proportionate', 'proportional', 'proportioned']
例句：
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1. The new design is proportional to the old one.
新设计与旧设计成比例。
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2. The books are proportionally priced.
这些书是成比例定价的。
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3. The ratio of sugar to water in this recipe is proportional.
食谱中糖和水的比例是成比例的。