cycloidal profile

例句：

1. 1. The engineer designedthe building with a cycloidal profileto maximize energy efficiency.
   工程师设计这座建筑时采用了环状轮廓，以最大化能源效率。
2. 2. The newcar has a sleek cycloidal profile that makes it look moremodern.
   这款新车拥有光滑的环状轮廓，看起来更现代。
3. 3. Thecycloidal profile of theship's hullhelps it glide smoothly through thewater.
   船体的环状轮廓有助于船只平稳地在水中航行。