1. 贴身背心;汗衫 A vest is a piece of underwear which you can wear on the top half of your body in order to keep warm.
名词马甲; 内衣; 防护衣; （印有运动员编号的）运动背心
不及物动词合法地被授予; 给自己装上教服
及物动词授权; 赋予; 穿衣服，穿教服
