cross trainer
noun/ˈkrɒs treɪnə(r)/
/ˈkrɔːs treɪnər/
- a piece of exercise equipment that you use standing up, with parts that you push up and down with your feet and parts that you hold onto and push with your arms
多功能健身器 - a type of sports shoe that can be worn for more than one kind of sport
多功能运动鞋