1 to put used objects and materials through a process so that they can be used again 使循环再用；把废物处理再用；回收利用: recycled paper 再生纸Aluminium cans can be recycled. 铝罐可以回收再用。

2 to keep used objects and materials and use them again 保留用过的物件再用；重复使用: Don't throw away your plastic carrier bags -- recycle them! 不要丢掉塑料购物袋─可以留下再用的！ ➔recyclable adj Most plastics are recyclable. 大部份塑料制品都可回收再用。