传说中，亚瑟王用这把神剑征服了众多敌人。

Legend says King Arthur defeated many enemies with ___Excalibur.

这把家传宝剑被视为我们家族的圣剑，象征着世代相传的荣耀。

This heirloom sword is regarded as our family's ___Excalibur, symbolizing generations of honor.