the distance covered 走过的距离
The bird covered the distance in three minutes.
这只鸽子用了三分钟飞完这段距离。
The bird covered the distance in three minutes .
这只鸟用了三分钟飞完全程。
Light would have covered the distance in around 2.4 thousandths of a second, but the neutrinos took 60 nanoseconds - or 60 billionths of a second - less than light beams would have taken.
光速行走这样的距离需时0.0024秒,但是这些中微子却比光速快了60纳秒,也就是百万分之60秒到达目的地。
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