splitting of trunk

例句：

1. 1. The tree's trunk was splitting under the weight of the snow.
   这棵树的树干在雪的重量下开始分裂。
2. 2. The scientist observed the splitting of the tree trunk as it grew.
   科学家观察到随着树木的生长，树干开始分裂。
3. 3. The forest fire had caused significant splitting in the trees around the area.
   森林火灾导致该地区周围的树木发生了显著的分裂。