上下五千年 shàngxiàwǔqiānnián throughout 5,000 years of history Origin Definitions Defs Strokes Stroke Words Sentences Sents 上下 shàngxià adverbnoun up and down top and bottom; up and down; the full vertical extent of something五 wǔ numeral five the number five; 5千年 qiānnián numeral a thousand years a thousand years; a millennium