A gym is a club, building, or large room, usually containing special equipment, where people go to do physical exercise and get fit. 健身房
noun [专属名词] 体育馆，健身房；（尤指学校的）体育活动
The commons is next to the gym. 学生公共食堂在体育馆的旁边。
The commons is next to the gym. 学生公共食堂在体育馆的旁边。
