The enemy was surrounded ring upon ring.

敌人陷入重重包围。

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Bora Bora is a tall, high green mountain surrounded by a ring of small 16 islets called Motus.

波拉波拉山是一座高耸、挺拔、苍翠的山脉，四周环绕着茅图斯小群岛。

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It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather of a cyclone occurs.

风眼四周环绕着“眼壁”，即一圈剧烈雷暴区域，通常是整个热带气旋中天气最恶劣的区域。

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Early the next morning, Lee tried to break through the ring of Union soldiers that surrounded his army.

VOA: special.2009.12.24

Flames quickly surrounded the basket in a perfect ring of fire.

VOA: special.2009.02.28

It is generally performed only by women, each one taking her turn in the center of the ring surrounded by others dancing in the circle while clapping their hands and singing.

UNESCO: Intangible Cultural Heritage

He made small talk with some of the 18 fighters on the bill before joining the crowd to watch the fights taking place inside an eight-sided ring surrounded by a chain-link fence.

FORBES: Magazine Article

ES-1b appears to be surrounded by a massive ring system, like Saturn's but bigger.

ECONOMIST: Astronomers may have found their first Saturn lookalike