画家在森林壁画中描绘了几位守护橡树的树精。

The painter depicted several ___dryads guarding the oak trees in the forest mural.

在诗人的笔下，古老的橡树被描绘成一个沉思的树精，静静守望森林。

The poet depicted the ancient oak as a pensive ___dryad, silently guarding the forest.