Definition
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expert
An expert is a person who has a high level of knowledge or skill in a particular area or field.
专家是指在某个特定领域或领域中具有高水平知识或技能的人。
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She is an expert in marine biology.
她是海洋生物学方面的专家。
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To solve this complex problem, we need the help of an expert.
要解决这个复杂的问题,我们需要专家的帮助。
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The expert gave a fascinating lecture on artificial intelligence.
专家就人工智能进行了精彩的讲座。