人类在生物链中扮演了什么角色？

What part do human beings play in the biological chain?

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一些科学家认为，人类处于生物链的顶端。

Some scientists think that human beings is lying the top of biological chain.

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这种海洋无脊椎动物是海洋生物链中重要的一环。

The Marine invertebrates are important links in the Marine food chain.

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原野上的生物如今都被驱离，各散一方，生物链被打破了。

Creature on the wild field was expelled and dispersed far. Biological chain was broken.

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原野上的生物如今都被驱离，各散一方，生物链被打破了。

Creature on the wild field was expelled and dispersed far. Biological chain was broken.

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