形容词
中文翻译：理论的
同义词：
['theoretical', 'theoretically例句：1. The theory of relativity is widely accepted by scientists.（相对论理论被科学家广泛接受。）2. The study of history is often theoretical in nature.（历史研究通常是理论性质的。）3. The theory suggests that the planets orbit around the sun.（该理论表明行星围绕太阳运行。）']
例句：
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1. The theory of relativity is widely accepted by scientists.
相对论理论被科学家广泛接受。
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2. The study of history is often theoretical in nature.
历史研究通常是理论性质的。
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3. The theory suggests that the planets orbit around the sun.
该理论表明行星围绕太阳运行。