ring-road

基本解释

Mr Delanoë's remit stops at the ring-road, the périphérique.
市长Delanoë 的巴黎环形路（the périphérique）提案也毫无进展。
But going beyond the ring-road to the suburbs, the total built-up area has a population of 10m.
但是在环城公路以外的城郊，整个结合区有人口1000万。
According to officers in the NATO-led force, the first priority will be to reclaim the ring-road, Afghanistan’s main artery, around which the main population centres are concentrated.
北约部队的官员们认为，首要的任务是收回作为阿富汗主干线的环城公路，主要的居民点都集中在环城公路附近。

According to the Venezuelan Society of Transport and Road Engineers, the metropolitan area urgently needs at least 100km of new roads, including the completion of a ring-road—first mooted in the 1970s.
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Commanders say that the American reinforcements will be used to improve security in provinces surrounding Kabul, to protect the ring-road that girdles the country's capital and, above all, to reinforce NATO's faltering effort in southern Afghanistan.
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Councillor David Begg, convenor of Edinburgh's transport committee, chaired a meeting earlier this month of Scottish councils to discuss how to finance public-transport improvements with revenues from a road-pricing ring around Edinburgh.
ECONOMIST: Transport

A ring road is a road that goes around the edge of a city or town so that traffic does not have to go through the centre.