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1·There was some sludge at the bottom of the tank.

油箱底有油泥。《牛津词典》

2·Instead, he produced a mysterious dark sludge.

相反，他制造了一种神秘的深色淤泥。

3·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。

4·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。《柯林斯英汉双解大词典》

5·They crack and frizzle. They weep out additives. They melt into sludge.

它们裂开、弯曲。它们“渗出”添加剂。它们融化成糊状。

6·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。

7·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。

8·Now the sludge has become the biggest problem to rescue operations.

现在淤泥是开展救援工作的最大难题。

9·You will start to see it for the toxic sludge or ‘stucko’ as I call it that it is.

你会渐渐把它看作一团有毒污泥...

10·Her unique solution is not to get rid of wastewater and fecal sludge, but to value them.

她独特的解决办法不是排除废水，清理粪便和污泥，而是把这些东西重视起来。

(1)activated sludge活性污泥（废水处理方法的一种）

(1)sludge treatment污泥处理

(1)sewage sludgen. 污水污泥；下水污泥

(1)activated sludge process活性污泥法

(1)sludge disposal粪泥处理

(1)sludge dewatering污泥脱水