如果你关注老虎、绢毛猴、犀牛和猩猩，如果你相信地球不仅仅是67亿人类的家园，想想现在的状况，你应当感到害怕。

So if you care about tigers and tamarins, rhinos and orangutans, if you believe Earth is more than just a home for 6.7 billion human beings and counting, then you should be scared.

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以新疆蒿类半灌木荒漠草地建群种伊犁绢蒿为材料，探讨刈割强度对其根系贮藏营养物质的影响。

The change of storage nutrition substance in Seriphidium transilien's roots, such as soluble proteins, soluble sugar, deoxidizing sugar and starch, were studied under various defoliation intensities.

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