a flood of refugees的用法和样例：
- A second was the occasional flood of refugees.
- Or might sanctions trigger its collapse, bringing a flood of refugees and unleashing nuclear mayhem?
- A flood of this sort is really unprecedented.
- Beijing, fearing destabilization of the region and a flood of refugees from the North if order breaks down, may not be so forceful.
- A flood of cheap imports has come into the shops.