fracking
n.
along with frack (v.), by 2000 in engineering jargon, short for hydraulic fracturing and with a -k- to keep the -c- hard.
| 词汇 | fracking | 
| 词根词缀 | Online Etymology Dictionary fracking n. along with frack (v.), by 2000 in engineering jargon, short for hydraulic fracturing and with a -k- to keep the -c- hard. | 
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