Severn
/ˈsevən/- a river of SW Britain. Rising in central Wales, it flows north-east then south in a broad curve for some 290 km (180 miles) to its mouth on the Bristol Channel. The estuary is spanned by a suspension bridge north of Bristol, opened in 1966, and a second bridge a few miles to the south, opened in 1996.塞汶河（英国西南部河流, 源自威尔士中部, 流向东北, 后又转南, 注入布里斯托尔湾, 全程呈宽弧形, 全长约290公里, 即180英里; 河口有一座悬索桥, 位于布里斯托尔以北, 1966年开通; 另一座桥位于以南几英里处, 于1996年开通）。