借助一种特殊的工具，他们可以从树干上取下一薄片木质，而不伤害树木本身。

With a special tool, they can remove a narrow piece of wood from the trunk without harming the tree.

youdao

借助一种特殊的工具，他们可以从树干上取下一薄片木质，而不伤害树木本身。

With a special tool, they can remove a narrow piece of wood from the trunk without harming the tree.

youdao