rounded root contour

例句：

1. 1. The artist's drawing captures the round root contour of the tree perfectly.
   艺术家的画作完美捕捉了树的圆根轮廓。
2. 2.The scientist used a microscope to observe the round root contour of the plant.
   科学家使用显微镜观察了植物的圆根轮廓。
3. 3.The architect designed a building with a rounded root contour that blends seamlessly into its surroundings.
   建筑师设计了一座建筑，其圆根轮廓与周围环境融为一体。