| 词汇 | light year |
| 类别 | 英汉互译在线翻译词典 |
| 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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