cingulum

例句：

1. 1. The teacher showed us the shape of a cylinder using a model.
   老师用一个模型向我们展示了圆柱的形状。
2. 2. This machine has a cylinder-shaped base and a flat top.
   这台机器有一个圆柱形的底座和一个平坦的顶部。
3. 3. The car is made of metal and has a cylinder-shaped engine.
   这辆车是用金属制成的，有一个圆柱形的发动机。
4. 4. The bookcase has a cylinder-shaped shelf on one side.
   书柜有一侧有一个圆柱形的书架。
5. 5. The building has a cylinder-shaped roof.
   这座建筑有一个圆柱形的屋顶。
6. 6. The cylinder-shaped pipe was used to transport water.
   那个圆柱形的管道被用来输送水。
7. 7. The cylinder-shaped object is easy to rotate.
   这个圆柱形物体很容易旋转。
8. 8. The cylinder-shaped structure is stable and durable.
   这个圆柱形的结构是稳定且耐用的。
9. 9. The cylinder-shaped part can be removed for cleaning.
   这个圆柱形的部分可以拆卸进行清洁。
10. 10. The cylinder-shaped tool is useful for cutting wood.
    这个圆柱形的工具对于切割木材很有用。