castoff [ˈkæstˌɔf, -ˌɑf]

例句:

• Sounding like a Morrissey castoff is not the attention grabber this album needed to announce ESP's return.
  来自BBC
• The factory has dumpaged its castoff into that river all along. As result, the river has been polluted.
  该工厂一直将其废弃物倾倒在那条河里. 结果, 那条河被污染了.
  
• The castoff produced in pig industry pollutes the air, the water, the soil and so on.
  规模养猪生产过程中产生的废弃物可对大气 、 水体和土壤等造成污染, 降低环境质量.
  
• Ceramic ecological paver was investigated with solid castoff such as graphite gangue coal ash coal stone.
  以石墨尾矿,粉煤灰,煤矸石,垃圾焚烧灰等固体废料为主要原料研制陶瓷环保生态砖.