| 1. | The distance in space is told in light years
宇宙中的距离是以光年来计算的。 |
| 2. | The distance of a light year boggles the imagination
一光年的距离大得令人难以想象。 |
| 3. | I don ' t count the years for living i count the light year
我可不是按年过日子的，是光年 |
| 4. | Do you know how many meters is a light year
你知道一光年有多少米吗？ |
| 5. | Couple million light years from breakfast
距离早饭的地方几百万光年吧 |
| 6. | We are light years ahead of everybody
我们比很多人先进多了 |
| 7. | Nebula clumps of gas and dust , light year
星云气体尘埃团 |
| 8. | The typical diameter of an open cluster is less than 100 light years
疏散星团的直径一般少于100光年。 |
| 9. | This value is based on the distance in light years between the two sectors
这数值是以两个区域的距离（光年为单位）来计算。 |
| 10. | This spiral galaxy is called m81 which is about 11 . 7 million light years away
这旋涡星系名为m81 ，距离我们约有1 , 170万光年。 |
