柯林斯词典myocardium /ˌmaɪəʊˈkɑːdɪəm/ 1. N the muscular tissue of the heart 心肌 返回 myocardium剑桥词典the muscle that forms the walls of the heart 心肌 The myocardium contracts as the heart beats . 心跳時心肌收縮。 返回 myocardium