waste solid

例句：

1. 1. The city has been working hard to reduce its solid waste.
   这个城市一直在努力减少其固体废物。
2. 2. The government is considering a new policy to deal with the solid waste problem.
   政府正在考虑一项新的政策来处理固体废物问题。
3. 3.The solid waste from the factory needs to be properly disposed of.
   工厂产生的固体废物需要得到妥善处理。