桦树

例句：

1. 1. The tall trees are the main feature of this forest.
   这些高大的树木是这片森林的主要特征。
2. 2.The white birch tree is a symbol of purity and innocence.
   白桦树是纯洁和纯真的象征。
3. 3.The loggers were busy felling the birch trees for firewood.
   伐木工正在忙碌地砍伐白桦树作为柴火。