...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...
He had bad teeth, irregular and discolored.他牙齿长得不好，参差不齐而且有些发黄。Spilt acid discolored the floor.泼出的酸弄得地板褪色。Charles looked round him at the dingy smoke - discolored walls, the worm - eaten staircase.查尔斯环视被烟熏黑的墙壁和虫蛀的楼梯....