Eight days, three hours, 18 minutes, 35 seconds. That's the total duration of the most important and celebrated space mission ev【ZiYuanTun.Com】er flown - Apollo 11 - when we first stepped foot on the moon... 译文(2): 8天3小时18分35{资源屯-ziyuantun.com}。这是有史以来最重要、最著名的太空任务——阿波罗11号——的总持续时间，当我们第一次踏上月球的时候... ..。
