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单词 亿光年
例句 DEFINITIVE EXAMPLES 权威例句〔show up〕The telescope is so powerful that it can show up galaxies billions of light years away.这架望远镜性能强大, 可以使人看见数十亿光年外的星系。外研社新世纪〔true〕This law is known to hold true for galaxies at a distance of at least several billion light years.已知这条定律同样适用于距离至少几十亿光年远的星系。外研社新世纪〔true〕This law is known to hold true for galaxies at a distance of at least several billion light years.据知,这条定律同样适用于距离至少几十亿光年之远的星系。柯林斯高阶〔void〕Observers have recently found in the Universe giant voids about 500,000,000 light-years across.观察员最近在宇宙中发现了直径约5亿光年的巨型空洞。柯林斯高阶
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