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单词 fracking
释义

fracking

Definition
A method of drilling that extracts natural gas and oil from shale rock layers within the earth. This technique involves injecting chemicals, sand and water directly into the ground. Fracking, or hydraulic fracturing, can provide economic benefits by supplying a great deal of domestic energy, but the topic has recently become controversial because others believe that the benefits do not outweigh the possible negative effects of water contamination and air pollution.
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更新时间:2025/4/17 13:28:10