1. 废品：waste paper stock 废纸浆 | waste product 废品 | waste recovery 废料回收;废气回收;废水回收

2. 废产物：waste pile 废石堆 | waste product 废产物 | waste rubber 废橡胶

3. 废物;废料：wasp 胡蜂;黄蜂 | waste product 废物;废料 | waste recycling 废料循环

4. 废物：waste opener 废棉开松机 | waste product 废物 | waste rubber 废橡皮

1. any materials unused and rejected as worthless or unwanted

    e.g. they collect the waste once a week
           much of the waste material is carried off in the sewers

    Synonym: wastewaste materialwaste matter