作业帮如何防治环境污染的英语口语对话
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如何防治环境污染的英语口语对话
如何防治环境污染的英语口语对话
如何防治环境污染的英语口语对话
A: What technology（技术,科技） will help with pollution control?
B: Well, for example, I've recently read an article about using certain types of bacteria（细菌） to help control some pollution problems.
A: How could that be? I thought bacteria just caused illness.
B: That's not true. Bacteriologists have identified certain strains（种族,种类） of bacteria that “eat” petroleum products, such as oil and gasoline.
A: That sounds strange. How does it work?
B: They ingest（摄取,吸收） the petroleum and excrete（排出,排泄） hydrogen and oxygen, leaving a clean environment behind them.