smooth curvature

例句：

1. 1. The surface of the car is designed to have a smooth curvature for better handling.
   汽车的表面设计有光滑的曲率，以便于更好的操控。
2. 2.The new model sports car has a sleek and smooth curvature that makes it look very elegant.
   新款跑车拥有光滑流畅的曲率，看起来非常优雅。
3. 3.The artist's use of smooth curvature in his painting creates a sense of movement and energy.
   艺术家在绘画中使用光滑的曲率，创造出一种运动和活力的感觉。