1-spin 旋转

2-be high up on one's list 优先考虑事项

The earth spinning too fast might not be on your list.

3-neverthless 不过

4-go down 发生

Nevertheless, we talked about some experts to see what it would all go down.

5-twirl 旋转；缠绕

6-axis 轴心

7-circumference 周长

As Earth twirls around its axis, its circumference is widest at the equator.

8-centrifugal force 离心力

9-fling---off 甩出

Centrifugal force from the earth's spin is constantly trying to fling you off the planet.

10-rev up 增加，提高；使……活跃

If the equator revved up to 17，641 mph, centrifugal force would be great enough that you would be weightless.

11-pick up 增加，提高

12-rotation 旋转

If earth rotation picked up, it would carry the atmosphere with it.

13-slow your roll 冷静一下