These tiny things form the base of the food chain and play an important role in the global carbon cycle.

这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。

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Sometimes one living thing kills another to live, so they form a food chain.

有时一种生物为了生存而杀死另一种生物，所以它们形成了食物链。

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Many brought green ropes or strings, which they tied together to form a giant chain in Mousavi's signature color.

许多人带来了绿色的绳和线，捆绑在一起形成一个穆萨维签名颜色的巨大的链条。

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In a business meeting, ideas could be clearly expressed in spoken words, but they are captured, explained, and sold up the chain in written form.

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Speaking from the East and Central Africa region, the concept of supply chain, in its true form has not yet reached here.

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The group then walked to Victory Road, where the fire happened, and joined hands to form a human chain along the street.

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