rectangular potential well

例句：

1. 1.The room is designed with rectangular windows for maximum natural light.
   房间设计有矩形窗户，以获得最大的自然光。
2. 2.The rectangular table is perfect for a group of friends to sit around and play games.
   这个矩形桌子非常适合一群朋友围坐一起玩游戏。
3. 3. The rectangular shape of the building makes it easy to navigate through.
   建筑的矩形形状使得它易于导航。