poldern. 圩田學術名詞圩田：測量學、地理學新生地：測量學圍堤區：土木工程改良澤地：海洋地質學波耳德：物理相關科學家海埔新生地：生態學英文釋義low-lying land that has been reclaimed and is protected by dikes (especially in the Netherlands)