食物链的链环是以植物为生的食草动物和捕食食草动物的食肉动物。
The links of the chain are formed by the herbivores that eat the plants and the carnivores that feed on the herbivores.
所有的食物链都是从太阳开始的，并且如果其中的一个链环消失，那么所有的食物链就会断开。
All food chains begin with the sun, and all food chains become broken up if one of the links disappears.
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