cylindrical polisher

例句：

1. 1.The car is cylindrical in shape.
   这辆车是圆柱形的。
2. 2. The cylinder was made from a block of wood.
   这个圆柱是由一块木头制成的。
3. 3. The cylinder is used to store liquids.
   这个圆柱用来储存液体。