He went up to this tree and passed his hand over the bark of the trunk, as though seeking to recognize and count all the warts.
他走到那棵树下面，用手摸那树干的皮，好象他要认出并数清那些树瘤的数目。
3
But if you love the urban tree, as I do, the plane tree steels the show - the array of colours on its bark, the green of the leaf, the girth of the trunk, the hang of the branch.