预处理 yùchǔlǐ pretreatment Origin Definitions Defs Strokes Stroke Words Sentences Sents 预 預 yù adverbverb prior (bound form) beforehand; in advance; prior (used as an adjective or adverb before a verb)处理 處理 chǔlǐ verb to process to treat something by a special chemical or physical process to meet specific requirements; to process information, data, or digital signals