简书 jiǎnshū ancient bamboo books Origin Definitions Defs Strokes Stroke Words Sentences Sents jiǎnshū ancient bamboo books 简 簡 jiǎn bamboo slips (bound form) narrow strips of bamboo or wood used for writing in ancient times书 書 shū noun book book; volumes or works of text or drawings bound togetherjiǎnshū official documents 简 簡 jiǎn letter (bound form) a letter; a piece of correspondence书 書 shū noun letter a letter; mail or correspondence