扩大城市面积危害着野生物。

The spread of urban areas endangers wildlife.

《新英汉大辞典》

随着城市化进程的加速，城市的有机系统与地球大生物圈和资源体系之间相互作用也日益加深和扩大。

With the raped urbanization, a more extensive relationship and interaction has been established between the city organic system and earth's biosphere and resource system.

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弗拉姆表示，堪萨斯能通过利用肥沃的土地，种植可转化为生物燃料的农作物，扩大可再生能源的来源。

Kansas can add to the renewable energy mix, Frahm believes, by using its ample farmland to grow crops that can be converted into biofuels.

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