ring of steel

1. A group of armed guards that encircle someone or something as a means of protection or to prevent escape. Police are planning to protect the family with a ring of steel during tomorrows funeral, following death threats made against them.2. A system of security cameras set up around the perimeter of a city, usually to capture license plate information of cars passing in or out. The city announced it would be investing a quarter of a million taxpayer dollars into a new ring of steel, meant to cut accidents, catch speeders, and alert police to the location of suspects.See also: of, ring, steel

ring of steel

an encircling armed barrier preventing escape or restricting access.See also: of, ring, steel

单词	ring of steel
释义	ring of steel ring of steel 1. A group of armed guards that encircle someone or something as a means of protection or to prevent escape. Police are planning to protect the family with a ring of steel during tomorrows funeral, following death threats made against them.2. A system of security cameras set up around the perimeter of a city, usually to capture license plate information of cars passing in or out. The city announced it would be investing a quarter of a million taxpayer dollars into a new ring of steel, meant to cut accidents, catch speeders, and alert police to the location of suspects.See also: of, ring, steel ring of steel an encircling armed barrier preventing escape or restricting access.See also: of, ring, steel
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