co-worker
🇺🇸
/ˈkəʊ wɜːrkər/
🇬🇧
/ˈkəʊ wɜːkə(r)/
A person who works with you in the same place.
My co-worker helped me with the project when I was feeling overwhelmed.
我的同事在我感到不知所措時幫助我完成了項目。