雷克斯 Léikèsī Rex Origin Definitions Defs Strokes Stroke Words Sentences Sents 普雷克斯流程 pǔléikèsīliúchéng purex The PUREX (Plutonium Uranium Reduction Extraction) process used for nuclear fuel reprocessing.雷克斯暴龙 léikèsībàolóng tyrannosaurus rex Tyrannosaurus rex