柯林斯词典catchment area (catchment areas) 1. N-COUNT In geography, the catchment area of a river is the area of land from which water flows into the river. 下遊區[技術] 返回 catchment area剑桥词典the area served by a school （學校的）招生地區；（毉院的）服務地區，琯片區域 They want their son to go to St Mary's, but they're not in the catchment area . 他們想讓兒子上聖瑪麗學校，但是他們的家不在學校的招生地區內。 返回 catchment area