VOA慢速英语:研究表明非洲野狗的进化发生了不同寻常的变化

prey – n. an animal that is hunted or killed by another animal for food

predator – n. animal that hunts and kills other animals for food

endangered – adj. in danger of being lost

digit – n. a finger, thumb or toe

awareness – n. the knowledge that something exists

limb – n. an arm or leg of a person or animal

stability – n. a situation in which something is not likely to move or change

stealth – n. movement that is quiet and careful in order not to be seen or heard

carnivore – n. an animal that eats meat