rectilinear cascade

例句：

1. 1. The architect designed the building with a rectilinear layout.
   建筑师以直线布局设计了这座建筑。
2. 2.The road is straight and runs parallel to the river.
   这条道路是直的，与河流平行。
3. 3.The rectangular table has four legs that are all at right angles to each other.
   这个矩形桌子有四条腿，它们彼此之间都是直角。