【导读】湿地对地球具有重要意义,被称为“地球之肾”。本文介绍了中国一些湿地的现状及其对生态环境的重要意义。There are many wetlands in China and some of them have become the world's important wetlands.The Chinese Yellow Sea Wetlands are among them. They are in Yancheng, Jiangsu Province. They ar...