ageless

adj.

不老的，永恒的；

1. Her beauty seems ageless.
   她驻颜有术。
2. His face was smooth and ageless.
   他的脸光洁,不显老。
3. She is a ballad, intonating ageless folk songs.
   她是一支曲，浅吟低唱着不老的乡谣。
4. The origin of the universe is an ageless topic.
   关于宇宙的起源的问题是个永恒的论题。

The ageless self
Ageless Bodies, Happy Souls
The Ageless Self: Sources of Meaning in Late Life
Nanocellulose: a new ageless bionanomaterial
`Love Is Ageless' Couple Celebrates 77 Years of Give and Take
Ageless bodies, happy souls: biotechnology and the pursuit of perfection.
An Integrated Health Monitoring System for an Ageless Aerospace Vehicle
Value orientations of new-age elderly: The coming of an ageless market.
On connectivity of reconfigurable impact networks in ageless aerospace vehicles
On connectivity of reconfigurable impact networks in ageless aerospace vehicles. Robotics and Autonomous Systems, 53(1), 36-58