有一些湿地在古代就形成了。There are some areas of wetland which are of ancient origin.他们不时陷入没膝的湿地。They sometimes sank knee-deep into the marsh.牛群在湿地上吃草。Cows were grazing on the marshes....

“湿地”的拼音为：shī dì...

“湿地”的英语可以翻译为：nunja，wet land，[苏] wich...