workhorse
英 ['w??kh??s]
美
- n. 做重活的人；馱馬；重負(fù)荷機(jī)器
- adj. 工作重的；吃苦耐勞的
英英釋意
- 1. machine that performs dependably under heavy use;
- "the IBM main frame computers have been the workhorse of the business world"
- 2. a horse used for plowing and hauling and other heavy labor