The lotus comes out from the sludge but remains unstained.

莲花出淤泥而不染。

The government is investigating the sludge disposal of nearby factories.

政府在调查附近工厂的工业废料处理情况。

My job is to clear the pipes and reduce sludge clogging.

我的工作就是疏通管道，减少污泥堵塞。

We seemed to spend the last mile of the walk in sludge.

最后的一英里路我们似乎完全走在淤泥中

There was some sludge at the bottom of the tank.

油箱底有油泥。

At least, until the snow hardened into ice, the whiteness turned to sludge, and everyone started to moan again.

至少，在积雪硬化成冰，白雪转成污泥之前，人们又开始抱怨。

More than a million gallons of sludge has seeped into the water.

超过一百万加仑的工业废料已渗进水中。

"Sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.

“下水道淤泥”，是指经城市污水处理厂产生的淤渣，包括预处理的废物、污垢和性质不稳定的淤泥。

Once the sludge dries, the lead may be even more dangerous.

而且一旦这些淤泥干燥后，铅的危害性将会更大。