arbor chuck

例句：

1. 1. Theold oak tree had a large stump that was still standing.
   那棵老橡树有一个很大的树桩，仍然竖立着。
2. 2. He found a stump of a tree in the forest and decided to build his house there.
   他在森林里发现了一棵树的树桩，决定在那里建他的家。
3. 3. The stump of the fallen tree was covered with moss and lichen.
   倒下的树桩上长满了苔藓和地衣。