名词
中文翻译：比例
同义词：
['scale', 'proportion', 'ratio', 'quotient']
例句：
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1. The teacher gave us a lesson on the importance of teamwork.
老师给我们上了一堂关于团队合作重要性的课。
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2. The ratio of sugar to water in this recipe is 1:1.
这个食谱中糖和水的比例是1:1。
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3. The ratio of carbon dioxide to oxygen in the air is about 0.049.
空气中二氧化碳与氧气的比例大约为0.049。