cross-trainer
noun uk/ˈkrɒsˌtreɪ.nər/ us/ˈkrɑːsˌtreɪ.nɚ/
[ C ] (also elliptical trainer)多功能训练器材，综合训练器材
a piece of exercise equipment designed to exercise all of the body's main groups of muscles
[ C usually plural ] (also cross-training shoe)多用途运动鞋，综合训练鞋
a sports shoe that is suitable for wearing in the gym (= a room or building where you can exercise) and also for running and other sports