| 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。 |