regional pollution

• 地区性污染

regional pollution的用法和样例：

例句

1. If a peace process got under way, Saudi Arabia would participate directly in multilateral talks about such problems of regional concern as shipping and pollution.
   如果一项促进和平的安排开始进行，沙特阿拉伯将直接参与有关航运及污染等地区性问题的多边谈判。