recycle mixing

例句：

1. 1. Recycling is essential for reducing waste and conserving resources.
   回收是减少废物和节约资源的关键。
2. 2.The city has implemented a recycling program to reduce plastic waste in the environment.
   该市实施了一项回收计划，以减少环境中的塑料废物。
3. 3. We should recycle paper, glass, and metal to help protect our environment.
   我们应该回收纸张、玻璃和金属，以帮助我们保护环境。