cardio/kɑːr.di.oʊ/前缀心脏的；心脏病的cardiovascular心血管的/ˈkɑːr.di.oʊ/名词可提高心跳频率的运动；有氧运动cardio exercises/training/workouts有氧练习／训练／运动想跟读，去练习
