catchment

But the world is also scattered with tales of roof catchment failures — and academics who say its potential for ending water insecurity is oversold..但是全世界也存在着屋顶集水失败的故事——而且也有学术人士说它结束水不安全的潜力被夸大了。

Plus, each house is highly energy efficient with ample insulation, an on-demand solar hot water heater and a catchment system that recycles rainwater to flush the toilet and wash clothes..另外，每一所住宅都有充足的能源与高效保温。 一个随时运转的太阳能热水器，和一个集水系统来回收雨水用来冲洗卫生间或是洗衣服。

catchment area,下游区；排水区

water catchment,集水区；汇水