light years
光年：光在真空中传播一年的距离
常用释义
英式发音
美式发音
基本释义
- 光年：光在真空中传播一年的距离，约为9.46万亿千米。
例句
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1·The nearest star to earth is about 4 light years away.地球离最近的恒星大约为4光年。来源: 《牛津词典》
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2·This law is known to hold true for galaxies at a distance of at least several billion light years.这个定律被普遍认为同样适用于至少数十亿光年之远的星系。来源: 《柯林斯英汉双解大词典》
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3·It can see objects about 13.7 billion light years away.它可以看到137亿光年以外的物体。
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4·However, Gliese 581g is twenty light years from the Earth.然而，Gliese 581g 距离地球20光年。
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5·That means that our nearest neighbours are perhaps 100 light years away, which is almost next door in astronomical terms.那意味着我们最近的邻居星球离我们大约有100光年远，从天文学的角度来说，这几乎是一墙之隔。
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6·The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
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7·The stars being searched are hundreds of light years away, so it takes hundreds of years for their signal to reach us, and a further few hundred years for our reply to reach them.被搜寻的星星离我们有几百光年远，所以它们的信号传到我们这里需要几百年，而我们的答复传到它们那里又需要几百年。
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8·Full employment still seems light years away.充分就业好像依然是遥遥无期。来源: 《牛津词典》
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9·She says the French education system is light years ahead of the English one.她说法国的教育体制远比英国的先进。来源: 《柯林斯英汉双解大词典》
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10·James Salter: Light Years (1975).詹姆斯·索尔特：光年(1975)。