名词
中文翻译：污水罐
同义词：
['waste tank', 'wastewater tank', 'sewage storage tank']
例句：
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1. The sewage tank is full of bacteria that can cause disease.
污水罐里充满了能引起疾病的细菌。
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2. The city has installed several new sewage treatment plants to improve the quality of its water.
该城市已经安装了几个新的污水处理设施，以改善其水质。
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3.The sewage tank needs to be cleaned regularly to prevent contamination.
污水罐需要定期清理以防止污染。