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demonstrate (or prove) a geometric theorem的英文翻译是什么意思，词典释义与在线翻译：
英英释义
动词 demonstrate:
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give an exhibition of to an interested audience
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establish the validity of something, as by an example, explanation or experiment
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provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
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march in protest; take part in a demonstration
