Chopsticks,withahistoryofthousandsofyears,areuniquetraditionalChinesediningutensils.Theywerecalled"zhu"inancientChinaandthenameof"KuaiZi"begantobeusedinMingDynasty.Chopsticksareusuallymadeofbamboo.Somearemadeofwood,ivory,metalsorothermaterials.Theirupperpartsaresquareandlowerpartsround,ortheyareallroundwiththickerupperpartsandthinnerlowerparts.Whatevertheirshapesare,theyareusedinpairsandthepairmustbeidenticaltoeachother.chopsticksarethenecessarydiningutensilsinChinesepeople'sdailylife,theinventionofwhichfullydelaystheintelligenceofChinesepeople.