形容词
中文翻译：Unknown
同义词：
['logical', 'rational', 'sensible', 'reasonable']
例句：
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1. The decision was made on the basis of rational analysis.
这个决定是基于理性分析做出的。
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2. He is a rational person who always thinks before he speaks.
他是一个理性的人，总是在说话前先思考。
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3.The scientist's research was based on rational assumptions.
科学家的研究基于合理假设。