杂食动物相对来说并没有明显一致的结构特征，严格来说，它不能算作是一个动物类别，动物分类学上没有这一类别，它完全是根据动物的饮食习性而归纳出来的一类动物；简单地说，杂食动物最明显的特征就是这些动物“食物种类较多，既吃植物，也吃动物”。
杂食动物
双语例句原声例句
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棕熊是杂食动物，抓到什么吃什么。
Brown bears are omnivorous, eating anything that they can get their paws on.
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人们曾一度认为杂食动物是罕见的，但最近的证据表明并非如此。
It was once thought that omnivory was rare, but recent evidence suggests otherwise.
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像人类一样，猪是杂食动物。
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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
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$firstVoiceSent
- 来自原声例句