advancing edge of corrosion的用法和样例：
- Human activities is the one of main driving factors of regional environment change in a short time, is the focus and the advancing edge of global change study.
- The factory is situated on the edge of the town.
- The hotel is situated at the edge of the town.
- John ran to the edge of the lake and plunged in.
- Please sharpen the edge of this axe.