Therearemanywetlands（湿地）inChinaandsomeofthemhavebecomet...
问题详情：Therearemanywetlands（湿地）inChinaandsomeofthemhavebecometheworld’simportantwetlands.TheChineseYellowSeaWetlandsareamongthem.TheyareinYancheng,JiangsuProvince.Theyarehomeformanydifferentkindsofb...