ageless

柯林斯词典

1. ADJ If you describe someone as ageless, you mean that they never seem to look any older. 永不显老的[文学性]
She was rich, beautiful and seemingly ageless. 她富有漂亮，而且看起来永不显老。
2. ADJ 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. 永不过时的; 永恒的[文学性]
...the ageless oceans. ...永恒的海洋。