abandoned the Yellow River delta的用法和样例：
- Dongying lies in the heart of the Yellow River delta area.
- Yes, indeed.Looking at the Yellow River Delta Nature Reserve from here, we surely have a much wider field of view.
- The hydrocarbons pollution and its sources in the sediments of the Yellow River delta.
- In this paper,the monitoring methods and engineering protective measures for the sea wall hollowing in the Yellow River delta area are introduced.