rhein

例句：

1. 1.The Rhine River is a major waterway in Europe.
   莱茵河是欧洲的主要水道。
2. 2.The Rhine Valley is famous for its beautiful scenery.
   莱茵河谷以其美丽的风景而闻名。
3. 3.The Rhine has been a source of inspiration for many artists.
   莱茵河一直是许多艺术家的灵感之源。