a.

1. 常绿的，常青的
   Pines, firs, and hollies are evergreen trees.

   松树，杉树以及冬青是常绿树。

n.

1. 常绿树；万年青[C]
2. 装饰用的常绿树树枝[P]

adj.

1. (of a plant) retaining green leaves throughout the year. Often contrasted with deciduous.
2. having an enduring freshness or popularity.

n.