S pole

例句：

1. 1. The tree is tall enough to support the weight of the S pole.
   这棵树足够高，可以支撑S柱的重量。
2. 2.The S pole was used to support the roof of the building.
   S柱被用来支撑建筑物的屋顶。
3. 3. The S pole was a symbol of strength and stability in the community.
   S柱是社区力量和稳定性的象征。