high risk area

例句：

1. 1.The high-risk area is under strict surveillance.
   这个高风险区域正在受到严密监视。
2. 2.The accident occurred in a high-risk area.
   事故发生在一个高风险区域。
3. 3. The government has declared the high-risk area off-limits to tourists.
   政府已经宣布高风险区域对游客关闭。