1. There are four seasons in a year.
    一年有四季。

2. This was the year 1877, and the school was in Warsaw, Poland.
    这是1877年，波兰华沙的一所学校。

3. The city will have more than 26 million residents by the year 2000, according to the United Nations Fund for Population Activities.
    据联合国人口活动基金会的估计，到2000年墨西哥城的人口将超过2600万。

4. The earth spins round once every twenty-four hours.
    地球每二十四小时自转一周。

5. This makes one year.
    这就是一年。

6. 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。

7. This cycle of seasons became the year.
    各季节循环一周期就成为一年。

8. Their year normally had 12 months in it.
    他们的一年通常有12个月份。

9. To keep the months from slipping too far out of place, the priests put an extra month in the year every few years.
    为了不让月份与季节相差太远，教士每隔几年就额外增加一个月份。

10. To get his new calendar started in line with the seasons, Caesar moved New Year´s Day from March 1 to January 1, and so January became the first month of the year.
    为了使他新的日历符合四季，恺撒将新年从3月1日改为1月1日。于是一月就成为了一年的第一个月份。