经久不衰的

例句：

1. 1. The team's performance wasso impressive that they were considered invincible.
   该队的表现如此出色，以至于他们被认为是不可战胜的。
2. 2. The castleis said to be invincibleagainst all forms of attack.
   据说这座城堡对任何形式的攻击都是不可战胜的。
3. 3.The soldiers fought bravely and were consideredinvincible for their efforts.
   士兵们勇敢地战斗，并被视为因他们的努力而不可战胜。