Unverified information of uncertain origin usually spread by word of mouth; hearsay.

谣言,谣传;传闻:来源不明且未经证实的信息,通常由口头语言传播; 传说.

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Science doesn't recognize unverified propositions.

科学不会认可未经证实的假设.

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These unverified statements are repeatedly as evidence over a lengthy period of 20 years.

而这种缺乏验证的口供居然被在长达20年的调查周期中多次使用.

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