catchment是什么意思

音标:英 ['kætʃmənt]美 [ˈkætʃmənt, ˈkɛtʃ-]

排水区, 集水, 流域

a structure in which water is collected (especially a natural drainage area)

catchment的用法和例句：

1. Its catchment is the whole county. It's almost 2 000.

整个县都是它的学区 近2000人

2. And 24% of the new cases of psychosis in our catchment area could be attributed to the use of skunk alone.

在我们监管范围内 百分之二十四的精神病新病例 可以单独归因于"臭鼬"的使用

3. So I know it's a large catchment, but we're going to go wide on sea, just add land searches where we can.

我知道这是片大水域 但我们会在海上广泛搜索 也尽量增派陆地搜救人手