concentric
US /kənˈsen.trɪk/
UK /kənˈsen.trɪk/

1.
同心的, 同轴的
of or denoting circles or spheres sharing the same center
:
•
The target has several concentric rings.
靶子有几个同心圆环。
•
The ripples spread out in concentric circles.
涟漪以同心圆的形式扩散开来。
同心的, 同轴的
of or denoting circles or spheres sharing the same center