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夏说英语新闻晨读(MP3+文本) 第553期:鱼的记忆力有多强

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本期内容:

Fish are often said to have a three-second memory, but the brain power of fish has been considerably underestimated, according to scientists who found some fish can recognise themselves in the mirror. Their findings suggest that a small, otherwise unremarkable species called the cleaner wrasse has joined an elite handful of others to have passed the so-called mirror test, which has been used for decades as a gold standard measure of animal intelligence. Passing the test is widely viewed as an indication of self-awareness and until now the only animals to have crossed this threshold are great apes, bottlenose dolphins, killer whales, Eurasian magpies and a single Asian elephant.

considerably: adv. 相当地;非常地
considerable: adj. 可观的;重要的;值得考虑的
awful: adj. 糟糕的;可怕的
awfully: adv. 相当地;非常地
underestimate: vt. 过低的估计
overestimate: vt. 过高的估计
otherwise: adv. 否则;本来
species: n. 物种
gold standard: 金标准;黄金准则
threshold: n. 门槛
magpie: n. 喜鹊

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重点单词   查看全部解释    
indication [.indi'keiʃən]

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n. 表示,指示,象征

 
underestimate ['ʌndər'estimeit]

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n. 低估
v. 低估

联想记忆
underestimated [,ʌndə'estimeit]

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vt. 低估;看轻 n. 低估

 
measure ['meʒə]

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n. 措施,办法,量度,尺寸
v. 测量,量

联想记忆
intelligence [in'telidʒəns]

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n. 理解力,智力
n. 情报,情报工作,情报

联想记忆
unremarkable ['ʌnri'mɑ:kəbl]

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adj. 平凡的,不出色的

 
elite [ei'li:t]

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n. 精华,精锐,中坚份子

联想记忆
species ['spi:ʃiz]

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n. (单复同)物种,种类

 
considerable [kən'sidərəbl]

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adj. 相当大的,可观的,重要的

联想记忆
overestimate [.əuvə'esti.meit]

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vt. 过高评价,过高出价
n. 估计过高,评

 

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