II. Geographical FeaturesBritainis an island country surrounded by the sea. It lies in the North Atlantic Ocean off the north coast of Europe. It is separated from the rest of Europe by the English Channel in the south and the North Sea in the east.英国是一个岛国。它位于大西洋北部，与欧洲大陆的北海岸隔海相望。南面的英吉利海峡和东面的北海将它与欧洲其它部分隔开。2.The north and west of Britain are mainly highlands; and the east and southeast are mostly lowlands.英国的西部和北部主要是高地，东部和东南部主要是低地。Ben Nevis is the highest mountain in Britain (1,343m).Severn River is the longest river in Britain (338km).ThamesRiver is the second longest and most important river in Britain. (336km).泰晤士河是英国第二大河，也是英国最重要的河。全长336公里。Lough Neagh is the largest lake in Britain which is located in Northern Ireland. (396 square kilometres).讷湖（内伊湖）是英国最大的湖，位于北爱尔兰。面积为396平方公里。River Clyde is the most important river in Scotland.Snowdonia is the highest mountain in Wales.（1,085m）