12 (number) - Wikipedia

12 (twelve) is the natural number following 11 and preceding 13. The product of the first three factorials, twelve is a superior highly composite number, divisible ...

十二生肖

十二生肖. 早在公元一世紀,中國人就以十二生肖來紀年。十二生肖代表十二種動物,分別是鼠、牛、虎、兔、龍、蛇、馬、羊、猴、雞、狗和豬。 十二生肖與十二地支配對( ...