Morus alba

例句：

1. 1.The white birch tree stands tall in the park.
   公园里的白桦树挺拔。
2. 2. The white birch tree is a symbol of purity and peace.
   白桦树是纯洁和平的象征。
3. 3.The white birch tree is used for making paper and other products.
   白桦树被用来制作纸张和其他产品。