1. The distance travelled by light in one year is called a light year. 
   光在一年内行经的距离称作1光年。
2. The distance of a light year boggles the imagination. 
   一光年的距离大得令人难以想象。
3. A light year is the distance which light travels at 186, 000 miles per second in one year, namely 6 million million miles. 
   1光年是以每秒186000英里的速度走过一年的距离，约为6万亿英里。
4. On New Year's eve, every main street was a blaze of light. 
   除夕之夜，各条大街一片灯火辉煌。
5. After struggling for a year, I see the light and go back to school. 
   在挣扎了一年後，我终於明白过来，重回校园。

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• 1. 光年
  光年(light-year):光在一年中走过的路程，等于6万亿英里（9470000000000千米）。...
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