The chain of volcanoes is known, appropriately enough , as the 'Ring of Fire'.

人们把这链状火山群很恰当地称作“火环”。

《牛津词典》

In Sichuan, soldiers spent a hard time creeping across Luding Chain Bridge, which was made up of 13 iron chains, in the middle of gun fire.

在四川，士兵们在炮火中艰难地爬过由13条铁链组成的泸定铁桥。

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The Ring of Fire is a chain of large faults associated with the Pacific plate’s interaction with surrounding plates, which can produce earthquakes and volcanoes.

所谓的“火焰圈”是一个大型地质断层，形成于太平洋板块和其他版块交界处，由于地质活动频繁，常导致地震和火山。

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For the first time, on-the-ground soldiers will be able to fire at a hidden opponent without having to go up the chain of command to ask for a precision air strike and waste precious time doing so.

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