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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 bamboo — a 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 nutritious — while 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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