adj.同心的

The planets in our solar system revolve around the sun in concentric orbits.
我们太阳系中的行星以同心轨道围绕太阳运转。
The layers of an onion are concentric, with each one surrounding the next.
洋葱的层是同心的，一层套着一层。
The rings on a tree trunk are concentric, representing the tree's growth rings over time.
树干上的年轮是同心的，代表树木随着时间的推移生长的环状结构。
The circles of a dartboard are concentric, getting smaller as you move towards the bullseye.
飞镖盘上的圆圈是同心的，越靠近靶心，圆圈越小。
The city's parks are located in concentric zones, providing green spaces for residents.
城市的公园分布在同心区域，为居民提供了绿地。
The design of the stadium consists of concentric seating areas that can be easily expanded or contracted for different events.
体育场的设计包含同心的看台区域，可以根据需要轻松扩展或收缩。
The microscope allows us to observe cells in concentric layers, revealing their intricate structures.
显微镜使我们能够观察到细胞的同心层，展示其精细的结构。
In a circular garden, the flower beds are usually arranged in concentric patterns for aesthetic appeal.
在圆形花园中，花坛通常按照同心模式排列，以增加美观性。
The medieval castle had concentric walls, increasing defense capabilities against potential invaders.
中世纪城堡有同心城墙，增强了抵御敌人入侵的能力。
When tuning a musical instrument, the strings are tightened in concentric fashion to achieve the desired pitch.
调音时，乐器的弦是以同心方式紧绷的，以达到所需的音高。