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. Whether a planet can support life depends on the size and brightness of its star, that is its ´sun´.
    一颗行星是否能够维持生命取决于它的恒星--即它的"太阳"--的大小和亮度。

3. 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。

4. 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）。

5. Want to get rich? Become famous? You don't have to be a film star or a basketball player or a musician. You can do it by becoming an inventor.
    想富起来吗？想出名吗？你并不一定要成为影星、篮球运动员或音乐家。你可以通过当发明家来实现自己的梦想。

6. When a non-star encountered a technical problem, Kelley observed, "he called various technical experts and then waited, wasting time while his calls went unreturned.
    凯利评论说，一个成就平平的人碰到技术问题时，"他向各位技术专家求助，然后就等待着。求助无果，他的时间就这么浪费了。

7. The cap has a red star on it.
    帽子上有一颗红星。

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

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

10. The star is visible.
    那星星可以用肉眼看见.