planar
例子
The architect presented a planar design for the building, showing how it would look from a top-down view without any perspective depth.
建筑师为建筑提出了一个平面设计，展示了在没有透视深度的情况下从顶部看它会是什么样子。
In geometry class, we studied planar shapes like squares and circles, which exist only in two dimensions.
在几何课上，我们研究了平面形状，如正方形和圆形，它们只存在于二维中。
