名词
中文翻译：适当的比例
同义词：
['proportion', 'ratio', 'balance']
例句：
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1. The chef used a proper proportion of salt and pepper to season the dish.
厨师用恰当的盐和胡椒比例调味这道菜。
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2. The teacher emphasized the importance of proper proportion in mathematics.
老师强调了数学中适当比例的重要性。
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3. The doctor adjusted the patient's medication to maintain a proper proportion of sugar and water.
医生调整病人的药物，以保持糖和水的适当比例。