Here, this image of the lines of trees and the metrical regularity of that verse that describes them.

这里，排列成行的树的画面和,诗里韵律的规律描绘的画面。

耶鲁公开课 - 现代诗歌课程节选

In the solitude, the solitude of that absence, the boy uses the tree to work his will playfully.

在这样的孤独里，缺席的孤独里，这个孩子用树来玩。

耶鲁公开课 - 现代诗歌课程节选

The other character that's mentioned in the poem is the boy's father, whose trees they are, the property owner, who also is absent.

这首诗里提到的其他人是他的爸爸，这些树就是他爸爸的，这些财产的拥有者，但也没有出现。

耶鲁公开课 - 现代诗歌课程节选