cylinder body

例句：

1. 1. The car's engine is a cylinder body made of steel.
   汽车的发动机是一个由钢制成的圆柱体。
2. 2.The machine's design is based on the cylinder body shape.
   这台机器的设计基于圆柱体形状。
3. 3. The new model uses a cylinder body to improve fuel efficiency.
   新款模型使用圆柱体来提高燃油效率。