In Britain the longest river is the Severn river.

在英国最长的河流是塞文河。

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The longest river in Britain is the Severn river. The most important river is Thames river. River Clyde is the most important river in Scotland.

英国最长的河流是赛文河，最重要的河流是泰晤士河。克莱德河是苏格兰最重要的河流。

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There is a fine section on the economics of surfboard rationing in Cuba, and the passages on surfing the Eisbach river in Munich and the Severn river bore in Britain are jolly.

有关于古巴冲浪板供给经济学，写的很不错，还有一些文章是关于在慕尼黑Eisbach河和英国英国塞文河上冲浪的，也非常有趣。

youdao

Sabrina The Lady is only rescued once the attendant spirit -- calls on the nymph Sabrina, the genius loci -- the natural spirit of the Severn stream, which is the river that separates England from Wales.

只有随从号召美丽的少女,和一个天才的场所-,它是赛文河流的自然精神，是分割英格兰和威尔士的河流。

耶鲁公开课 - 弥尔顿课程节选

Operated by private company Severn River Crossings Plc, the bridges are used by about 80, 000 vehicles every day.

BBC: Severn Bridge tolls

Operated by private company Severn River Crossings Plc, the M4 and M48 bridges over the Severn are used by about 80, 000 vehicles every day.

BBC: Severn bridges: Tories say Welsh government should run

Currently run by Severn River Crossing Plc, the bridge will return to public ownership when the firm has collected a fixed sum of money from tolls, expected to be around 2017.

BBC: Welsh Affairs Select Committee