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Cylinder
圆柱体
If you have two circles and one rectangle, what can you do with them?
如果你有两个圆和一个矩形，你能用它们做什么？
You can make a cylinder.
你可以做一个圆柱体。
A cylinder has two circular shapes on the bottom and top and long straight sides.
圆柱体在底部和顶部有两个圆形，还有一个长直边。
Many things around us are shaped like cylinders.
我们周围的许多东西都是圆柱形的。
A roll of toilet paper, a soda can and a water glass, usually have cylinder shapes.
一卷厕纸，一个盐罐和一个玻璃水杯，通常是圆柱形的。
To be a cylinder, the sizes of the circles on the bottom and the top should be exactly the same.
作为圆柱体，底部和顶部的圆应该大小完全一样。
Can you make a cylinder?
你能做一个圆柱体吗？
If you make a cylinder with thick paper, you can keep things in it.
如果你用厚纸做一个圆柱体，你可以把东西放里面。
