常青树

例句：

1. 1. The oak tree is a symbol of strength and endurance.
   橡树是力量和耐力的象征。
2. 2. The forest was alive with the sound of birds singing in the spring.
   春天里，森林里鸟儿的歌声此起彼伏。
3. 3. The evergreen trees provide shade during the hot summer months.
   常绿树在炎热的夏天提供了阴凉。