n.体育馆；健身房；体育课
We go to play badminton in the nearest gym every Sunday. 每个星期天我们都去最近的体育馆打羽毛球。
He often went to the gym to harden his muscles. 他过去常到健身房锻炼肌肉。
I did a two-hour workout in the gym. 我在健身房锻炼了两个小时。
You are supposed to wear sneakers in gym class. 体育课上你应该穿运动鞋。
gym作“健身房,体育馆”解是非正式用法,在正式用法里应写作gymnasium。
