名词
中文翻译：Unknown
同义词：
['idea', 'principle', 'hypothesis', 'concept例句：1. The theory ofrelativity proposed by Einstein revolutionized physics.（爱因斯坦提出的相对论彻底改变了物理学。）2. The theory behind the phenomenon isstill under debate among scientists.（这一现象背后的理论仍在科学家之间争论。）3. Thetheory of evolution suggests thatall living things have descendedfrom a common ancestor.（进化论表明所有生物都源自共同的祖先。）']
例句：
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1. The theory ofrelativity proposed by Einstein revolutionized physics.
爱因斯坦提出的相对论彻底改变了物理学。
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2. The theory behind the phenomenon isstill under debate among scientists.
这一现象背后的理论仍在科学家之间争论。
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3. Thetheory of evolution suggests thatall living things have descendedfrom a common ancestor.
进化论表明所有生物都源自共同的祖先。