waste wood

例句：

1. 1. The company has been using waste wood to make furniture.
   这家公司一直在使用废料制作家具。
2. 2.The old tree was cut down and the waste wood was burned for firewood.
   那棵老树被砍倒，废弃的木头被用来烧柴火。
3. 3.We need to recycle as much of our waste as possible to reduce pollution.
   我们需要尽可能多地回收我们的废物，以减少污染。