1. Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
    伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。

2. When the north pole is towards the sun, the sun´s rays shine down quite straight on the northern part of the earth, while they slant down towards the southern part.
    北极斜向太阳时，阳光直射在北半球，斜射在南半球。

3. When the south pole is towards the sun, the southern half of the world (or the Southern Hemisphere) is warmer, and it has its summer (December, January and February).
    当南极斜向太阳时，地球的南半部（南半球）就比较温暖，处于夏季（十二、一、二月）。

4. They made an expedition to the North Pole.
    他们去北极探险。

5. The South Pole is not inhabited.
    南极没有人居住。

6. The grass fresh and green, a flag on a tall pole in the centre, children playing, and a Negro woman looking at it with so much hope!
    绿茵茵的草地，中间高高的旗杆上挂着一面旗子，孩子们在玩耍，一个黑人妇女望着旗子满怀希望！

7. Near the North Pole there are two seasons: winter and summer.
    靠近北极的地方一年只有两季:冬季和夏季。

8. He had put up a basket on a pole in the back yard.
    他在后院一根柱子上安一个球篮。

9. As the earth travels round, first one pole and then the other is tilted towards the sun.
    地球公转时，两极交替着斜向太阳。

10. So when the north pole tips towards the sun, the northern half of the world (or the Northern Hemisphere) is warmer and has its summer (June, July and August).
    所以，当北极斜向太阳时，地球的北半部（北半球）就比较温暖，是夏季（六、七、八月）。