curve of area of midship section

例句：

1. 1. The car's steering wheelis curved to the left.
   汽车的方向盘向左弯曲。
2. 2. The river flows gentlyaround the island.
   河流绕过岛屿缓缓流淌。
3. 3.The path follows a gentle curve.
   路径沿着一个轻微的弯曲。