后闭壳肌
/pɒstˈiəɹiəɹ ɐdˈʌktə ˈmʌsəl/
n
English: posterior adductor muscle · 后闭壳肌
English · posterior adductor muscleEspañol · músculo aductor posteriorFrançais · muscle adducteur postérieur
释义：Powerful muscle attached to both inside surfaces of the valves; it contracts to open or close them quickly.