dorsal branches

例句：

1. 1. The tree's dorsal branches are covered in green leaves.
   这棵树的背侧分支长满了绿叶。
2. 2.The scientist observed the dorsal branches of the plant growing.
   科学家观察了植物的背侧枝生长。
3. 3. The dorsal branches of the tree were used for making baskets.
   这棵树的背侧枝被用来编织篮子。