垂柳

例句：

1. 1. The willow branches sway gently in the breeze.
   柳树的枝条在风中轻轻摇曳。
2. 2. The poplar trees are tall and sturdy, providing shade for many birds.
   杨树高而结实，为许多鸟类提供了遮蔽。
3. 3. In spring, the willows turn into a beautiful green carpet.
   春天，柳树变成了一片美丽的绿色地毯。