concentric ring

例句：

1. 1. The planet is concentrically orbiting around the sun.
   这个行星以同心的方式绕太阳运行。
2. 2. The center of the circle is the point where all lines converge.
   圆心是所有线汇聚的地方。
3. 3.The city is concentric with its surroundings, providing a sense of balance and harmony.
   这座城市与其周围环境相得益彰，给人一种平衡和和谐的感觉。