自然数集 Save Sign in to save words Traditional (Taiwan): 自然數集 zìránshùjí ㄗˋ ㄖㄢˊ ㄕㄨˋ ㄐㄧˊ the set of natural numbers math. Character by character 自(zì)self 然(rán)correct 数(shù)number 集(jí)gather A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0