pack animal

US /ˈpæk ˌæn.ɪ.məl/
UK /ˈpæk ˌæn.ɪ.məl/
"pack animal" picture
1.

驮畜, 役畜

an animal used to carry loads, especially one that is not ridden

:
Mules are commonly used as pack animals in mountainous regions.
骡子在山区常被用作驮畜
Camels are important pack animals in desert environments.
骆驼是沙漠环境中重要的驮畜