圆形装饰

例句：

1. 1.The moon is a perfect circle in the sky.
   月亮在天空中是完美的圆形。
2. 2.The circle of friends we have formed is very tight.
   我们形成的朋友圈非常紧密。
3. 3. The car circled around the block twice before stopping.
   汽车在街区周围转了两次才停下。