graywater
美 ['gre?'w?rt?r]
英 ['gre?w?:t?] 
英漢解釋
例句
A graywater catchment system could collect reusable water for irrigation and toilet flushing.
廢水回收系統可以用來灌溉,也可以用來沖廁所。
Improve the comprehensive treatments of graywater, smoke, and tail gas.
加強對污水、煙氣、尾氣的綜合治理。
Problems Worth Paying Attention to in Urban Graywater Reuse
關于城市中水回用中幾個值得重視的問題