indomitable

例句：

1. 1. The soldiers were indomitable in the face of adversity.
   士兵们在逆境中表现出了不可战胜的精神。
2. 2. The champion athlete wasindomitable in his pursuit ofexcellence.
   这位冠军运动员在追求卓越的道路上展现出了不可战胜的精神。
3. 3. Thecourageous leader'sindomitable spirit inspiredeveryone to fight for their cause.
   这位勇敢领导者的不屈精神激励着每个人为他们的信仰而战。