low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands)
polder详细解释
pol.der n.（名词）An area of low-lying land, especially in the Netherlands, that has been reclaimed from a body of water and is protected by dikes.圩田：填筑水体并用堤坝保护的一片地势很低的地区，尤指位于荷兰的 来源：Dutch 荷兰语 from Middle Dutch 源自 中古荷兰语
