1. Even if one didn´t know from concrete examples
    一个人即使不能从具体的事例

2. Beyond the fires the jungle reverberated with noises.
    篝火之外的丛林回响着各种叫声。

3. Brazil is home to the world’s largest jungle rain forest, the Amazon.
    巴西是全世界最大的热带丛林 - 亚马逊雨林的生长地。

4. The road was paved with concrete.
    路面由混凝土铺成。

5. The lumber dealer decried the use of concrete for houses.
    木材商人对用混凝土造房大肆责难。

6. The path is paved with concrete slabs.
    这条路是用混凝土板铺成的.

7. The towers are built on immense underwater platforms made of steel and concrete.
    塔身建在巨大的水下钢盘混凝土平台上。

8. The explorers found that the local missionary was always happy to welcome them for a night, for life in the jungle was tedious for many of these men.
    探险家们发现，殖民地传教士都高兴接待他们过夜，因为对这些人来说，丛林中的生活是枯燥的。

9. The following techniques suggest concrete ways of increasing creativity:
    下面的内容将向我们介绍如何提高创造力的具体方法。

10. The possibilities are endless but in order for the information superhighway to become a reality, some concrete steps need to be taken to get the process started.
    信息高速公路带来的可能性不胜枚举，但要使其成为现实，还必须采取具体的措施来开展这一工作。