1. 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。
2. The software generates both two-dimensional drawings and three-dimensional images. 这种软件既能生成二维图形也能生成三维图像。
3. Another realistic touch was using three-dimensional objects on the set, like rocks and bushes as opposed to two-dimensional painted scenery. 另一种现实主义手法是在布景中使用三维物体，如岩石和灌木，而不是二维绘制风景。
4. Two- and three-dimensional maps are helpful tools in planning excavations, illustrating how sites look, and presenting the results of archaeological research. 二维和三维地图是规划挖掘工作的有用工具，可以描绘遗址的外观，并展示考古研究的结果。
5. The majority of three-dimensional representations, whether standing, seated, or kneeling, exhibit what is called frontality: they face straight ahead, neither twisting nor turning. 大多数的三维雕像，无论是站立的、坐着的还是跪着的，都表现出一种被称为“正面描绘”的特征：它们面向正前方，既不扭曲也不旋转。
