您要查找的是不是：
- Phytoremediation of mercury and cadmium polluted wetland by Arundo donax 芦竹修复镉汞污染湿地的研究
- A program to preserve our state's wetlands. 一项保护我国湿地的方案
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- The atmosphere of the city is very much polluted. 那个城市的空气受到严重污染。
- Polluted air hangs over the city. 城市上空被污染的空气所笼罩。
- The tanker sank and the oil polluted the sea. 油轮沉没了，石油污染了海面。
- Most rivers are polluted with filthy waste from the factory. 多数河流被该厂所排出的污秽废物所污染。
- polluted wetlands 纳污湿地
- The river has been polluted by waste products from the factory. 这条河已经受到工厂排放的废料的污染。
- Of the vastness and beauty of this reed wetlands. 芦苇湿地的广阔与美丽。
- Lashi Lake is a stretch of plateau wetlands. 拉市海是一块儿高原湿地。
- This stretch of wetlands has remained intact. 这块湿地一直保持着自然的面貌。
- One of the world's most important wetlands? 是什么结构?
- Any of certain other wetland areas, such as a fen, having a peat substrate. 沼泽地区任一种其它的湿地，有泥炭底面，如沼泽
- Alpine wetlands are large flowers Austin. 属高山湿地型大花甸。
- We have dammed rivers and drained wetlands. 我们已经拦河筑坝、排干湿地。
- She is an expert on the ecology of wetlands. 她是一个湿地生态学方面的专家。
- The city must be on the alert for being polluted. 城市要防止污染。
- Yuanyuan, here is the Xisha Wetlands. 韩佳：渊源，这里就是西沙湿地。
- All rivers here are not polluted . 这里的河流不都被污染了。
