n.多瑙河（在欧洲中部，由德国经匈牙利，南斯拉夫，保加利亚，罗马尼亚流入黑海）

The Danube flows through ten countries, making it Europe's longest river.
丹巴河穿越十个国家，是欧洲最长的河流。
The Danube Delta is a UNESCO World Heritage site, known for its rich biodiversity.
丹巴三角洲是联合国教科文组织的世界遗产，以其丰富的生物多样性而闻名。
Many cities, like Vienna and Budapest, are situated along the banks of the Danube.
很多城市，如维也纳和布达佩斯，都坐落在多瑙河沿岸。
The Danube River played a crucial role in ancient trade routes between Eastern and Western Europe.
多瑙河在古代东西欧贸易路线中起着关键作用。
A cruise on the Danube offers breathtaking views of historic castles and charming villages.
在多瑙河上航行，可以欣赏到历史悠久的城堡和迷人的村庄。
The Danube's source is in the Black Forest region of Germany, and it empties into the Black Sea.
多瑙河的源头位于德国黑森林地区，最终注入黑海。
The Danube is not only a geographical feature but also a symbol of cultural unity in Central Europe.
多瑙河不仅是地理特征，也是中欧文化统一的象征。
The Danube cycle path is a popular attraction for cyclists, stretching over 1,800 kilometers.
多瑙河自行车道是骑行者们的热门景点，全长超过1,800公里。
The annual Danube Festival celebrates the river's cultural and ecological significance with music, art, and environmental events.
每年的多瑙河节以音乐、艺术和环保活动庆祝这条河流的文化和生态重要性。
The Danube's rich history has been shaped by numerous invasions, wars, and peace treaties throughout the centuries.
多瑙河悠久的历史见证了几个世纪以来无数的入侵、战争和和平条约。