心肌
/ˈmjuːzɪkəl ˈɪnstɹəmənt ˈdɪdʒɪtəl ˈɪntəfˌeɪs ˈmɪdi ˈkeɪbəl/
n
English: myocardium · 心肌
释义：Thick muscular casing around the heart; its contraction is involuntary and depends on the autonomous nervous system.
English: myocardium · 心肌