| 1. | We learned about the complex motion of the moon .
我们弄清楚了月球的复杂运动。 |
| 2. | The satellite was launched into orbit around the moon .
卫星被射入环绕月球的轨道。 |
| 3. | The moon invariably displays the same face to the earth .
月球的一面永远向着地球。 |
| 4. | But lunar exploration has brought up a new objection .
但是对月球的探测带来一个新课题。 |
| 5. | The water on the opposite side is farthest from the moon .
地球背向月球的那一面的水则离月球最远。 |
| 6. | In the case of the moon the rotation keeps pace exactly with the revolution .
月球的自转与公转精确地同步。 |
| 7. | The origin of the moon is virtually an open question at this time .
实际上，到现在为止，月球的起源还是个未解之谜。 |
| 8. | People who said we would go to the moon used to be called dreamers .
从前把那些说我们要登上月球的人都称之为空想家。 |
| 9. | These bulges stay constantly orientated in line with the direction of the moon .
这些凸出部分总是与月球的方向成直线。 |
| 10. | The lunar highlands are scarred by innumerable craters ranging up to 236 km in diameter .
在月球的高地上留下无数环形山，有的直径达236千米。 |
