硬曲线的英文：
abrupt curve
adj. 突然的，意外的；粗鲁的；陡峭的
- He was abrupt to the point of rudeness.
他的唐突已到了无礼的地步。 - At this moment, abrupt earth is in shake.
正在这时，突然大地在震动。 - The recession brought an abrupt halt to this happiness.
经济衰退让这幸福戛然而止。 - We climbed down an abrupt descent.
我们爬下陡峭的斜坡。 - Herzog abandoned this theme with characteristic abruptness
赫索格以他那特有的出其不意抛开了这一话题。
n. 曲线，弧线，曲面，弯曲；曲线球
v.（使）沿曲线运动
- Joining Convex (Outer) Curves to Concave (Inner) Curves
缝合凸出的弯曲部位和凹曲部位 - The road curved sharply to the right.
道路有个急转弯拐向右边。 - To bend or curve downward;stoop.
弯向下弯曲；俯曲 - Create Fillet Curve.
创建倒圆角曲线。 - No mountains infringe on the curve.
没有高大的山脉去破坏大地美丽的屈线。
