哈利波特与阿兹卡班囚徒 第20课
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- 释义:
- n. 泥泞, 淤泥,泥状雪
- 例句:
-
The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.
列举的生物滤池与活性淤泥法的效率就需要初次沉淀和回流. 换一句 -
The sludge of treated sewage can be used as fertilizer.
污水处理后的淤泥可以当作肥料. 换一句 -
This cadmium - rich sludge can pollute surface waters as well as soils.
含镉丰富的淤泥可以污染地表水和泥土. 换一句
您还可以临摹下单词:
sludge
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