形容词
中文翻译：真实的
同义词：
['genuine', 'genuine', 'authentic例句：1. This product is authentic', "so it's worth buying.（这个产品是真正的，所以值得购买。）"]
例句：
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1. This product is authentic, so it's worth buying.
这个产品是真正的，所以值得购买。
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2. The painting is authentic, and it's from a famous artist.
这幅画是真正的，它来自一位著名的艺术家。
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3. The authenticity of the story was questioned by many experts.
这个故事的真实性被许多专家质疑。