square edged orifice

例句：

1. 1.The table is square, so it's easy to move around.
   桌子是方的，所以很容易移动。
2. 2. The cake is square, which means it has a flat top and sides.
   蛋糕是方的，这意味着它有一个平坦的顶部和侧面。
3. 3. The room is square, so there are four walls and no corners.
   房间是方的，所以有四堵墙，没有角落。