狼是某些大动物的天敌，比如：鹿和野牛。它们也吃兔子、老鼠和野果。
Wolves are natural enemies of some large animals, such as deer or bison. They also eat rabbits, mice, and wild fruit.
当猫发现的时候，它发誓在以后的岁月里老鼠将是它的天敌。
When he found out, the cat vowed to be the rat's natural enemy for ages to come.
小老鼠挠了挠头，他记起来了：“猫虽然看着温和，却是自己的天敌。”
Thee little mouse scratched his head, he remembered: "although the cat looked gentle, but it is their natural enemies."
在人们印象里，大象似乎总是被老鼠吓得魂飞魄散，但它真正的天敌其实比老鼠更小。
Mice are supposed to strike terror into the hearts of elephants, but Dumbo's tormentors are actually even smaller.
在人们印象里，大象似乎总是被老鼠吓得魂飞魄散，但它真正的天敌其实比老鼠更小。
Mice are supposed to strike terror into the hearts of elephants, but Dumbo's tormentors are actually even smaller.
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