Adjective:

1. having the shape of a ring

Ringon林贡ringn.戒指；环；圈；拳击场；马戏场；帮派n.铃声；钟声；电话；口气v.包围；环绕；形成圈v.打电话；回响；鸣响；按铃；听上去ring-type test圆环试验法ring substituted环上取代Ring micromirror环形微变形镜ring chlorinated环上氯代ring scale fungus松层孔菌ring crush tester环压强度测定仪ring-like space类环形空间ring drilling rig环形钻架ring-shank nail环轴钉ring halogenation环上卤代作用

1. In the Pacific Ocean there are many coral atolls that ringlike islands.
   太平洋中有许多环状的珊瑚岛屿。