1. The guest who arrives half an hour too soon is the greatest nuisance.
    客人提前半小时到达是令人讨厌的。

2. The only thing to do was ask them to come half an hour later than the other guests.
    唯一的办法就是请他们比别的客人晚来半小时。

3. Tazieff has often risked his life in this way.
    塔捷耶夫经常冒这样的生命危险。

4. The ancient Egyptians compared the rising of the sun to the beginning of life and the setting of the sun to the end of life.
    这是因为古代埃及人把日出比作生命的开始，把日落比作生命的结束。

5. These huge stone blocks weigh an average of two and a half tons each, as much as a small car.
    这些巨大的石块平均每块重２吨半，像一辆小型轿车那样重，

6. They play an important part in people´s life.
    他们在人民生活中发挥着重要作用。

7. The flood, laden with rich earth, reaches the lower valley about 15 June — at a time when the whole land has been burnt black by the sun. It brings "the water of life".
    大约每年六月十五日，尼罗河水挟带着肥沃的泥土流到了下游，给已被太阳烤得焦黑的土地带来了“生命之水”。

8. The recipient, a two-and-a-half-week-old baby boy, died six hours later.
    这个出生仅两周半的男婴在接受手术六小时后便停止了呼吸。

9. Then we see just half of the circle shining.
    那么，我们只看到圆月一半发亮，

10. The other half is dark.
    另一半是黑的，