sludge是什么意思

n.软泥,淤泥,矿泥,煤泥

1、The river was polluted with toxic industrial sludge.
这条河被有毒的工业污泥污染了。
2、The sewage treatment plant has to deal with tons of sludge every day.
污水处理厂每天都需要处理数吨的污泥。

泥浆；污泥；沉淀物