名词中文翻译
中文翻译：理论
同义词：
['hypothesis', 'principle', 'doctrine']
例句：
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1.The theory of gravity suggests that mass is attracted to the center of the earth.
万有引力理论表明，质量被吸引到地球的中心。
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2. The scientist proposed a new theory to explain the phenomenon.
科学家提出了一个新的理论来解释这一现象。
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3. The theory has been tested and proven to be accurate.
这个理论已经被测试并证明是准确的。