1. Every few hundred meters along the wall there are watchtowns, where Soldiers used to keep watch.
    沿城墙每隔几百米就有一个烽火台, 过去常有士兵驻守.

2. Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
    大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。

3. But in the main, I feel like a brown bag of mixed items propped up against a wall.
    但我大体上还是感觉自己像一只靠墙立着装满各种杂物的棕色皮袋子。

4. Where´s the fire alarm?
    火警的警铃在哪里?

5. What was the cause of the fire?
    火灾是怎样引起的?

6. When it did so, it sent sparks down to the ground and these immediately started a fire.
    当它这样做时，把火花送到了地面，这些火花立刻引起了一场大火。

7. When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
    在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。

8. Why, if little Hans comes here, and sees our warm fire, and our good supper, and our red wine, he will envy us, and envy is a terrible thing.
    哎，如果小汉斯到咱家来，看到咱们温暖的火炉，丰盛的晚餐，还 有红酒，他会嫉妒我们的。而嫉妒却是一件令人可怕的事。

9. Widowed now, the wife wonders what she would save from their old home if it were to catch fire:
    如今妻子已成了寡妇，可她依然在想，如果房子着了火，她该从这旧房子里抢些什么出来呢？

10. The Great Wall of China, the longest wall in the world, runs across north China like a huge dragon.
    中国的长城, 世界上最长的城墙, 象一条巨龙,逶迤在中国的北部.