wastesn.废料名词waste的复数形式.wasten.废物；浪费；荒地v.浪费；滥用；消耗adj.荒芜的；无用的；浪费的wastes treatment废液处理Waste collection垃圾收集waste of student学生资源浪费waste paper pulp废纸壳浆waste-disposern.废物清除器Waster statistic废品统计waste beer yeast啤酒废酵母wastewater solid废水固渣wastewater field废水带waste acid water废酸水