cardio
noun [ U ] informal uk/ˈkɑː.di.əʊ/ us/ˈkɑːr.di.oʊ/
可提高心跳频率的运动;有氧运动
physical exercise that increases the rate at which your heart works
My workout usually includes 15 to 20 minutes of cardio. 我的健身运动通常包括15-20分钟的有氧运动。
cardio exercises/training/workouts 有氧练习／训练／运动