white bole

例句：

1. 1. The forest was alive with the sounds of birds and the rustling of leaves in the cool breeze.
   森林里鸟儿的叫声和树叶在凉爽的微风中沙沙作响。
2. 2.White boles are a symbol of purity and strength in many cultures.
   在许多文化中，白桦树象征着纯洁和力量。
3. 3.The white boles of the trees were visible through the mist.
   树木的白色树干在雾中清晰可见。