| 单词 | 亿光年 |
| 释义 | 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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