1ADJ 永不衰老的 If you describe someone as ageless, you mean that they never seem to look any older. 永不衰老的 [literary]
She was rich, beautiful and seemingly ageless.
她富有而美丽，永远显得那么年轻。
2ADJ 永恒的；长存的；古老的 If you describe something as ageless, you mean that it is impossible to tell how old it is, or that it seems to have existed for ever. 永恒的；长存的；古老的 [literary]