1. 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。

2. Easton gave his name and address and began repeating the story about the clock.
    伊斯顿说出了名字和住址。又讲了一遍有关钟的事。

3. But scientists are working hard to turn them into realities.
    但是, 科学家们正在努力工作, 以便把想法变成现实.

4. Before returning home at night, he took a shower and changed back into his suit.
    晚上回家前,他洗个淋浴,又换上他那套西装.

5. Because of this, we kept looking back, wondering if we were leaving a trail of oil and petrol behind us.
    因此，我们不时地掉过头，怀疑车后是否留下了机油和汽油的痕迹。

6. Before we had time to worry about what might happen, we were back on the plain again.
    我们还未来得及担心后果，车已重新开上了平地。

7. Before returning home at night, he took a shower and changed back into his suit.
    晚上回家前，他洗个淋浴，重新换上那身黑色西服。

8. By January 10th, I was back to where I had started from.
    到了1月10日，我恢复了原来的作息时间。

9. Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.
    "大本"钟得名于本杰明.霍尔爵士，因为当建造新的国会大厦时，他负责建造大钟。

10. Back in the train, we told each other what a wonderful time we had had that day.
    回去的火车上，大家都说，这一天过得真愉快。