deathless

例句：

1. 1.The mythical creature is said to be deathless.
   据说这种神话生物是不朽的。
2. 2.The hero's bravery was immortalized in the legend.
   这位英雄的英勇事迹被传奇化了。
3. 3.The artifact has been preserved for centuries, proving its immortality.
   这个文物保存了几个世纪，证明了它的不朽性。