beast of burden
英 [ˌbiːst əv ˈbɜːdn]
美 [ˌbiːst əv ˈbɜːrdn]
n. 役畜; 牲口; 驮兽
牛津词典
noun
- 役畜；牲口；驮兽
an animal used for heavy work such as carrying or pulling things
柯林斯词典
- 力畜；役畜
Abeast of burdenis an animal such as an ox or a donkey that is used for carrying or pulling things.
英英释义
noun
- an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work