1. Central Africa, the most tropical portion of this tropical continent, is a land of heavy rainfall and high plateaus.
    中部非洲是这块热带大陆上最热的地区，雨量充沛，地势很高，

2. Usually at the beginning of school, the noise of desks being opened and closed, and lessons repeated at the top of the children´s voices could be heard out in the street.
    平时，刚开始上课的时候，在街上就能听到课桌开开关关的乒乓声和孩子们一遍遍高声念课文的读书声。

3. Only an exceptionally heavy snow fall might temporarily dislocate railway services.
    只有非同寻常的大雪才能临时打乱铁路业务。

4. Only an exceptionally heavy snow fall might temporarily dislocate railway services.
    只有非同寻常的大雪才能临时打乱铁路业务。

5. One day, he walked into an expensive shop after having been caught in a particularly heavy shower.
    一天，他遇上一场瓢泼大雨，淋得透湿。

6. Only an exceptionally heavy snowfall might temporarily dislocate railway services.
    只有非同寻常的大雪才可能暂时打乱铁路运行。

7. One of the thieves was struck by a heavy statue, but he was too busy helping himself to diamonds to notice any pain.
    一个窃贼被一尊很重的雕像击中，但由于他忙着抢钻石首饰，竟连疼痛都顾不上了。

8. Occasionally the master beat the table with the heavy ruler as he cried, "Silence, please, silence!"
    有时，老师还用大戒尺拍打讲桌，喊道：“安静点，请安静点！”

9. On both sides of the fireplace and opposite the window were crowded bookshelves, on the top of which packets of newspapers and manuscripts were piled up to the ceiling.
    在壁炉的两旁和窗户的对面挤满了书架，书架上面成捆的报纸和手稿一直堆放到了屋顶。

10. On top I put a few General Staff maps I had picked up from friends.
    最上面我放了几张从朋友那里搞来的总参谋部的地图。