| 释义 |
light year
[英] [laɪt jɪə]
[美] [laɪt jɪɚ]
[短语] 光年
词频排名 36785/55435
学习人数 3423
难度等级 1/10
认知比例 78.47%
例句
It measures over a light year in length.
长度超过一光年。
"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，但那时却像一光年似的。
She says the French education system is light years ahead of the English one.
她说法国的教育体制遥遥领先于英国。
助记
联想
1.可数名词： 光年（指光在1年中所经过的距离）
A light year is the distance that light travels in a year.
2.可数名词： 极大的差距；极远的距离；极长的时期
You can say that two things are light years apart to emphasize a very great difference or a very long distance or period of time between them.
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