1. Brass is an alloy of copper and zinc.
    黄铜是铜和锌的合金.

2. Below, the captain realized to his horror that the Titanic was sinking rapidly,
    在下面，船长惊恐的地发现"泰坦尼克"号正在急速下沉，

3. But a single optical fiber with a diameter of less than half a millimeter can carry more information than a large cable made of copper wires.
    但是单单一根直径小于半毫米的光纤电缆就可以比由铜丝制成的粗电缆负载更多的信息。

4. When the captain again boarded the boat, he found his crew had disappeared.
    当船长再次登上那艘船时，他发现自己的船员都失踪了。

5. They were commanded by a captain and a corporal.
    他们由一名上尉和一名下士率领。

6. The captain´s delinquency led to the loss of the ship.
    船长失职而损失了一艘轮船.

7. The pirate captain beat his crew with a lash.
    海盗船长用鞭子抽打他的船员。

8. The captain is the leader of the team.
    队长是全队的领导（者）。

9. The captain and his group moved on, but the story of the little boy spread quickly.
    上尉和他的小队继续前进了, 但这位小男孩的事迹很快传开了.

10. The captain knew that another attempt would be made later,
    船长知道日后还会再作尝试，