形容词
中文翻译：无根据的
同义词：
['baseless', 'unwarranted', 'groundless']
例句：
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1.The claim that the new technology will save us time is unfounded.
声称新技术能节省我们时间的主张是站不住脚的。
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2.The decision to invest in a new project was based on unfounded assumptions.
决定投资一个新项目是基于没有根据的假设。
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3.The argument that climate change is unfounded lacks scientific evidence.
认为气候变化是站不住脚的论点缺乏科学证据。