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posterior adductor muscle /pɒstˈiəɹiəɹ ɐdˈʌktə ˈmʌsəl/ n

中文：后闭壳肌

中文 · 后闭壳肌Español · músculo aductor posteriorFrançais · muscle adducteur postérieur
Meaning：Powerful muscle attached to both inside surfaces of the valves; it contracts to open or close them quickly.
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