A short distance, to be sure, but at the time it felt like a light year.
确实只有很短的距离，但那时我却感到距离了一光年似的。
The distance of a light year boggles the imagination.
一光年的距离大得令人难以想象。
Do you know the light year? Nothing in the world travels faster than the light.
你知道光年吗？在这个世界上，没有什么比光传播得快。
No one would say that. A light year is a unit of distance not time.
没有人会那么说，一光年是距离单位不是时间单位。
Know astronomical unit and light year are used for expressing the distance between celestial bodies.
知道天文单位和光年是用来丈量天体之间距离的单位。
Light year means the distance that light covers in a year.
光年是指光在一年时间里所跑过的距离。
More than one million light-year!
超过一百万光年！
Light - year is an astronomical unit.
光年是一个天文单位。
Light - year is an astronomical unit.
光年是一个天文单位。
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