1. These legends are useful because they can tell us something about migrations of people who lived long ago,
    这些传说是有用的，因为他们告诉我们很久以前生活在这里的移民的一些事情。

2. There has long been a superstition among mariners
    长期以来，海员中流传着一种迷信的说法，

3. This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the ´happy few´ during the past centuries.
    这说明，经过了多么漫长的时间之后，我们才认识到，有必要确保我们的孩子享有多少个世纪以来由1少数幸运者´所积累起来的知识。

4. The trainer stands in front of the elephant holding a long stick with a sharp metal point.
    驯练员手持一根有锋利金属尖头的长棒，站在象前。

5. Tie a heavy weight at the end of a long piece of string.
    把一个重物拴在一根长绳子的一端，

6. The growth of alternative mental interests is a long process.
    精神上多种情趣的培养是一个长期的过程。

7. The long hours in the office or the factory bring with them as their reward,
    在办公室或工厂里长时间工作给他们带来了酬劳，

8. The bridge is so long that the shape of the earth had to be taken into account by its designer.
    由于桥身太长，设计者不得不考虑了地表的形状。

9. These objects, however, were different. Lined up against the wall, there were long thin wires attached to metal spheres.
    这些展品却使人大开眼界。靠墙排列着许多细长的电线，而电线又连着金属球。

10. They employed a few farmhands, but no one was willing to work there long.
    他们雇了几个农工，但谁也不愿意在那儿长期工作下去。