作为一种精力旺盛的杂食动物，努纳大多依靠沼泽植物为生，但也会捕食小型两栖动物。

A vigorous omnivore, nunas feed mostly off swamp plants, though it will hunt down and feed on small amphibians.

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大多数种类的蚂蚁都是杂食的，并能够找到植物和动物的食物来源。

Most species are omnivorous, and are able to locate food resources that include both plant and animal matter.

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人类牙齿的设计属杂食，但更类似于主要以水果和植物为食的灵长类牙齿。

Human teeth are omnivorous in design, yet more closely resemble primate teeth whose possessors live largely on fruit and plants.

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Now these were important changes because humans of course can-- are omnivores and can eat both plants and animals, and therefore, the ability to secure nutrients from these different sources became very appealing to humans.

这些是很重要的变化,显然人类现在,是杂食动物,能够进食植物和动物,因为营养来源的多元化,对人类来说很重要

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选