work·mate
noun/ˈwɜːkmeɪt/
/ˈwɜːrkmeɪt/
(especially British English)- a person that you work with, often doing the same job, in an office, a factory, etc.
一起工作的人；同事；工友 - Her workmates organized a leaving party for her last day in the office.
同事为她举办了欢送会，纪念她在办公室工作的最后一天。
- Her workmates organized a leaving party for her last day in the office.