populated zone的用法和样例：
例句
- Changing weather patterns may also put densely populated areas at risk of deadly flooding, along with the resulting contamination of food and water supplies.
气候模式的改变可能还会给人口密集地区带来致命的洪水威胁，伴随的结果是造成食品和饮水的污染。 - The Israelis retort that white phosphorus is legally used by many armies as a smokescreen provided it is not fired over densely populated areas.
以方反驳说，在人口不密集地区，白磷作为合法烟幕弹被很多军队使用。
