gray water
短语灰水 中水
词形变化
gray waters
复数
gray waters
别名
grey water
graywater
greywater
释义与例句
n.
-
1.
Water that is not clean enough to be potable, such as having been used for washing, but not contaminated with fecal matter or other source of dangerous bacteria or dangerous or noxious materials.
中水
灰水
可再利用废水
可数 不可数