豪猪不是群居动物。

Porcupines are not sociable animals.

一个寒冷的冬夜，一群豪猪聚在一起取暖。

One cold winter night, a group of porcupines gathered together to keep warm.

豪猪通常在夜间活动。

A porcupine is usually active at night.

豪猪有锋利的刺用于保护自己。

The porcupine has sharp quills for protection.

豪猪喜欢在森林里寻找食物。

A porcupine likes to forage for food in the forest.

我在动物园里第一次见到了豪猪。

I saw a porcupine for the first time at the zoo.

豪猪爬上树以逃避捕食者。

The porcupine climbed the tree to escape from predators.

豪猪的刺可以用来防御捕食者。

The quills of a porcupine can be used for defense against predators.

豪猪的刺一旦嵌入就很难取出。

The porcupine's quills are difficult to remove once they are embedded.

当受到威胁时，豪猪会释放它的刺。

A porcupine can release its quills when threatened.