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Nature and Science

Nature and Science

所属栏目: Nature and Science

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分类:外语 - 英语

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播放时长:21:15

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Nature and Science

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分类:外语 - 英语

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首播栏目:Nature and Science

时长:21:15

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    Transbaibal zokor is a rodent. Such rats live underground perennially and mainly feed on grass roots. After its roots are eaten, the grass will usually die. Their mounds also bury a lot of grass. People found the ground is covered with such mounds in a serious disaster area. No grass can grow on the mounds within 3-4 years. So people plan to control its population using the chemical way.

 

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