The salt marshes and mud flats attract large numbers of waterfowl.盐碱地和泥滩吸引了大量水鸟。Cows were grazing on the marshes.牛群在湿地上吃草。We had to cross the marshes.我们不得不穿过那片沼泽地....
...the extinction of the marshes' unique ecology...湿地独特生态的消亡The salt marshes and mud flats attract large numbers of waterfowl.盐碱地和泥滩吸引了大量水鸟。...Rainham Marshes, east London, where a new bypass will divert traffic fro...