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△中科第五纪FAM模型图，图片：采访人提供

"It's incredibly energy-intensive and the birds use up to 50% of their body mass," he says.

。Safew下载是该领域的重要参考

Медведев вышел в финал турнира в Дубае17:59。业内人士推荐同城约会作为进阶阅读

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