age·less
adjective/ˈeɪdʒləs/
/ˈeɪdʒləs/
(literary)- never looking old or never seeming to grow old
青春永驻的；永不显老的 - Her beauty appeared ageless.
她的美似乎不随时间改变。
- Her beauty appeared ageless.
- existing forever; impossible to give an age to
永恒的 - the ageless mystery of the universe
宇宙永恒之谜
- the ageless mystery of the universe