natural number編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看natural numbernatural number — 名詞名詞1. a positive integer (1, 2, 3, ...) or sometimes including zero1.名詞釋義自然數a positive integer (1, 2, 3, ...) or sometimes including zero例句The set of natural numbers is infinite.