高效率 gāoxiàolǜ high efficiency Origin Definitions Defs Strokes Stroke Words Sentences Sents 高 gāo adjective high high; tall; above average in height, level, or degree效率 xiàolǜ noun efficiency efficiency; productiveness; the ratio of labor or effort expended to the results achieved; (physics) the ratio of useful energy output to the total energy input of a machine or system