unproven
未经证实的
常用释义
英音[ ˌʌnˈpruːv(ə)n ]
美音[ ˌʌnˈpruːvn ]
基本释义
- adj. 未经检验的；未经证明的
考试频率
四级
考频：近六年出现1次
- adj.未经实践检验的
例句
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1·There are a lot of unproven allegations flying around.有很多未经证实的谣言在迅速传播开来。来源: 《柯林斯英汉双解大词典》
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2·Even setting aside the unproven hints of ancient oceans, the extent of the outflow channels suggests that a huge total volume of water existed on Mars in the past.即使不考虑未经证实的古代海洋迹象，流出渠道的范围表明，过去火星上存在着大量的水资源。
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3·This is particularly true with unproven new products.对于还没有经过市场证明的新产品更是如此。
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4·But an unproven intervention can do considerable harm.但是，未经证实的干预可能相当有害。
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5·All other methods of staying awake and alert at the wheel are unproven.另外一些在开车时保持清醒和警惕的方法都是未经证实的。
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6·The technology is unproven at this scale and would be very expensive.何况该技术还没有在如此规模下使用的先例，更不用说昂贵的开销了。
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7·Moreover, his assertion that markets have become more fragile is unproven.此外，他关于市场变的更加脆弱的断言是未被证明的。
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8·As instructed, I cut my lifeline to the bank and leapt into unproven waters.像指示的那样，我把我的生命线系到了银行上跳进了这未知的领域里。
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9·He admits that this is still an unproven hypothesis, but it is one worth considering.他承认，这仍是一个未被证实的假设，不过，这是一个值得考虑的假设。
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10·The risks, he said, were rubbish, unproven by science, while the potential benefits were endless.他说，未经科学证实的风险不过是垃圾，而潜在的优势则永无止境。