1. They have found that it is connected with the passage of days and the phases of the moon.
    他们发现代码与昼夜更迭和月亮圆缺有关，

2. The moon is a ball of cold rock.
    月亮是一个冷的岩石球，

3. The whole journey of the moon round the earth takes twenty-eight days.
    月亮绕地球旋转一周需要二十八天。

4. The moon was above, cold and beautiful, and the music reminded Soapy of those days when his life contained such things as mothers and roses and clean thoughts and collars.
    皓月当空，月光清冷而美丽。音乐使苏比想起了昔日的时光；那时他拥有母爱，享受着幸福，怀着纯洁的思想，还穿着衣领干净的衬衫。

5. The moon was full.
    月亮是圆的，

6. Then it grew night by night to a full moon again.
    然后再一夜一夜地长大，再次成为圆月。

7. Neil Armstrong is the first astronaut to walk on the moon.
    尼尔・阿姆斯壮是第一位在月球漫步的太空人。

8. Days do not fit evenly into months, since the time from full moon to full moon is about 29 1/2 days.
    天数无法平均地分配到月份当中，因为从上一个圆月到下一个圆月的时间大约是29天半。

9. Almost as soon as people began counting "days", they must have noticed the changes in the moon.
    几乎在人们开始计算“天”的同时，他们一定已经注意到了月亮的变化。

10. And months do not fit evenly into years either, since the moon travels round the earth between 12 and 13 times in a year.
    月份也无法平均分配到年中，因为月亮一年中要围绕地球转12次到13次。