either side

不幸的是，我坐在桌旁，两边都有吸烟者。

Unfortunately I was sitting at the table with smokers on ___either ___side of me.

受损的大理石在洞的两边都只剩下很少的材料。

The damaged marble left very little material on ___either ___side of the hole.

高大的树木长在狭窄道路的两侧。

Tall trees grew on ___either ___side of the narrow road.