dwarf trees

例句：

1. 1.These dwarf trees are perfect for small spaces.
   这些侏儒树非常适合小空间。
2. 2.The dwarf trees provide shade and shelter for the birds.
   这些侏儒树为鸟类提供了遮荫和庇护所。
3. 3.The dwarf trees are a popular choice for landscaping due to their low maintenance requirements.
   由于维护要求低，侏儒树是园林景观的热门选择。