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173【讲解版】为什么熊猫只吃竹子,也会圆滚滚?

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Bacteria help pandas get the most out of being picky eaters, study says


Pandas are famously picky eaters. They only consume bambooa poor quality diet low in fat. But the creatures appear to have evolved to get the most out of what they do eat, according to a new study.


Their gut bacteria changes in late spring and early summer when bamboo is at its most nutritiouswhile it's sprouting protein-rich green shoots. The bacteria makes the bear gain more weight and store more fat, which researchers said may compensate for a lack of nutrients later in the year, when bamboo plants have only fibrous leaves to chomp on.


"We've known these pandas have a different set of gut microbiota during the shoot-eating season for a long time, and it's very obvious that they are chubbier during this time of the year," said a researcher for the Institute of Zoology at the Chinese Academy of Sciences in a news release.


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重点单词   查看全部解释    
institute ['institju:t]

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n. 学会,学院,协会
vt. 创立,开始,制

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bacteria [bæk'tiəriə]

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n. (复数)细菌

 
compensate ['kɔmpenseit]

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v. 偿还,补偿,付报酬

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obvious ['ɔbviəs]

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adj. 明显的,显然的

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zoology [zəu'ɔlədʒi]

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n. 动物学

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release [ri'li:s]

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n. 释放,让渡,发行
vt. 释放,让与,准

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nutritious [nju:'triʃəs]

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adj. 有营养的,滋养的

 
consume [kən'sju:m]

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v. 消耗,花费,挥霍

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academy [ə'kædəmi]

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n. 学院,学术,学会

 
chomp [tʃɔmp]

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vi. 格格地咬牙,咬响牙齿;切齿

 

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