smooth-barked

例句：

1. 1. The tree has a smooth-barked trunk that is easy to climb.
   这棵树有光滑的树皮，很容易爬。
2. 2. The smooth-barked tree was the first one to bloom in spring.
   光滑的树是春天最早开花的。
3. 3. The smooth-barked tree provided shade and shelter for many birds during the summer months.
   光滑的树在夏天为许多鸟提供了阴凉和庇护。