But burros are not only good pack animals.

但是驴不仅仅是优秀的驮畜。

In the United States, there are breeders who raise and sell burros.

在美国，有许多饲畜者饲养并卖驴子的。

They wanted to pass laws to protect the burros and horses from hunters.

他们想通过法律来保护美洲驴和野马不被猎杀。

The Act protects all unbranded horses and burros on public lands from capture.

这个法令保护公共土地的所有野生马与毛驴免遭捕获。

People may have the idea that burros and donkeys do not like being told what to do.

人们也许会认为驴子不喜欢让它去做些什么。

Burros reach an average height of over a meter and can weigh more than 225 kilograms.

驴子的高度平均为一米并能载重超过225公斤。

In fact, burros in the wild are related to pack animals that ran away or were freed by gold miners and others.

事实上，那些逃跑的或是被金矿主和其他人放生的驮畜(有些)就成了野驴。