catchment area

1 (also catchment basin) area from which rainfall flows into a river, reservoir, etc 集水盆地（雨水由此处流入江河、 水库等）. 2 (also catchment) area from which people are sent to a particular school, hospital, etc 属区（人们由此处被送到某学校、 医院等）: a school with a large catchment area 有大范围招生区的学校.

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