名词
中文翻译：生污泥
同义词：
['raw sewage', 'untreated sludge例句：1. The factory discharged raw sludge into the river without any treatment.（工厂将未经处理的污泥排放到河流中。）']
例句：
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1. The factory discharged raw sludge into the river without any treatment.
工厂将未经处理的污泥排放到河流中。
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2. The sewage plant is responsible for treating and disposing of raw sludge.
污水处理厂负责处理和处置未经处理的污泥。
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3. The raw sludge was contaminated with heavy metals, which could harm aquatic life.
未经处理的污泥被重金属污染，可能危害水生生物。