Rhamnus prostrata

例句：

1. 1.The trees in the park are all white ash, which is a type of evergreen tree.
   公园里的树都是白蜡，这是一种常绿树。
2. 2. Rhamnus prostrata is a native plant of China and has been used for medicinal purposes.
   白蜡是中国的本土植物，被用于药用。
3. 3. In winter, the branches of the Rhamnus prostrata turn into a beautiful shade of white.
   冬天，白蜡树的树枝会变成美丽的白色。