意思是环绕，例如：
1、Weather satellites have observed a ring of volcanic ash girdling the earth.气象卫星观测到一个环绕地球的火山灰带。
2、The head of the figure is often surrounded by rings of coloured light.“佛光”的头被彩色的光圈环绕。
3、There are 15 moons and 11 rings surrounding Uranus.它有15颗卫星以及11个环绕该星球的光环。
