screw arbor

例句：

1. 1.The wooden beam is securely fastened to the wall with screws.
   这根木梁用螺丝固定在墙上。
2. 2.The carpenter used a hammer and screws to build this shelf.
   木匠用锤子和螺丝钉建造了这个架子。
3. 3. The old tree was too heavy for the young oak to support alone, so it needed help from the people who had built the arbor around it.
   这棵老橡树太重了，年轻的橡树一个人支撑不住，所以需要人们帮助它搭建周围的栏杆。