龙门山断层 lóngménshānduàncéng Longmenshan fault Origin Definitions Defs Strokes Stroke Words Sentences Sents 龙门山 龍門山 lóngménshān Mount Longmen (Sichuan) A mountain range and active geological fault line forming the northwest boundary of the Sichuan basin断层 斷層 duàncéng geological fault a fracture in the Earth's crust where rocks on either side have shifted; a geological fault line