river

The Nile River flows northward through northeastern Africa and is historically vital to Egypt.

(Chinese) 尼罗河向北流经非洲东北部，在历史上对埃及至关重要。

Heavy industrial pollution has severely damaged the delicate ecosystem of the local river.

(Chinese) 严重的工业污染已经严重破坏了当地河流脆弱的生态系统。