食肉动物通常是有着复杂的社会关系的哺乳动物。

Carnivores are usually socially complex mammals.

《牛津词典》

由于岛上没有天然食肉动物，牧群的数量迅速增加。

With no natural predators on the island, the herd increased rapidly.

《柯林斯英汉双解大词典》

这些无法归类的动物包括被称为奇虾的会游泳的大型食肉动物，以及叫做威瓦亚虫的软体动物，它们以岩屑和藻类为食。

These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae.

youdao