Question: 人类上一次在月球行走是什么时候
Answer: 1972-12-11; 12/11/1972; 11 十二月 1972; 11/12/1972; 1972 december, 11; 1972-12-11; 11 12 1972; 11-12-1972; 1972 12 11; 12 11 1972; 12-11-1972; 1972 十二月 11