1. This is a three-dimensional crystal. 这是一个三维的晶体。
2. Architecture is a three-dimensional form. 建筑是三维形式的。
3. All the views shown above are two-dimensional. 上面所示的所有视图都是二维的。
4. Think of a three-dimensional spherical black hole that's copied and stacked out in one direction to create an oblong shape. 设想一个三维的球状黑洞，把它复制和堆放在一个方向上，就会构成一个长方形的形状。
5. By adding texture, you can produce more interesting effects like marbling or wrapping a two-dimensional image around your object. 通过添加纹理，你可以制作出更有趣的效果，如大理石纹饰或者把二维的图像包裹在你的对象上。
