parabolic grade

例句：

1. 1.The parabolic shape of the mountain is breathtaking.
   这座山的抛物线形状令人叹为观止。
2. 2. In mathematics, a parabolic equation describes a curve that is shaped like a parabola.
   在数学中，一个抛物方程描述的曲线形状像抛物线。
3. 3. The physicist used a parabolic trajectory to describe the motion of an object.
   物理学家使用抛物轨迹来描述物体的运动。