suspended sludge

例句：

1. 1. The sewage treatment plant was unable to remove all the suspended sludge from the river.
   污水处理厂无法将所有悬浮污泥从河流中去除。
2. 2. The engineer found that the suspended sludge was causing a significant amount of harm to the environment.
   工程师发现悬浮污泥对环境造成了重大伤害。
3. 3.To prevent further contamination, the authorities are implementing stricter regulations on the disposal of suspended sludge.
   为了预防进一步污染，当局正在实施更严格的规定来处理悬浮污泥。