negatively oriented angle

例句：

1. 1.The angle between the two walls is exactly what we need for the door to open.
   两堵墙之间的夹角正是我们开门所需的角度。
2. 2. In this case, a negatively oriented angle can be used to create a more aesthetically pleasing design.
   在这种情况下，负向定向角可以用来创造更美观的设计。
3. 3. The engineer carefully measured the angle of the roof and adjusted it accordingly.
   工程师仔细测量了屋顶的角度并相应地调整了它。