He used the stump as a table.

他把树桩用作桌子。

Rocks and stumps supplied the place of chairs at the picnic.

野餐时石头和树桩都充当了椅子。

The next job has been digging the stumps of the trees out of the soil.

第二件事就是把树桩从土壤里挖出来。

I barked my shin on a tree stump.

我磕了树桩上，胫部擦破了皮。