hydraulic fracturing
noun/haɪˌdrɒlɪk ˈfræktʃərɪŋ/
/haɪˌdrɔːlɪk ˈfræktʃərɪŋ/
[uncountable] (formal or specialist)- fracking (= the process of forcing liquid at high pressure into rocks, deep holes in the ground, etc. in order to force open existing cracks and take out oil or gas)
水力压裂（=将高压液体压入岩石、地下深孔等以强行打开现有裂缝并取出石油或天然气的过程）