light-years
light-years — 名詞
1. a unit for measuring extremely large distances in space, equal to how far light
光年
光一年走過的距離
a unit for measuring extremely large distances in space, equal to how far light moves through empty space over one year
The nearest star beyond the Sun is about four light-years from Earth.
太陽以外離我們最近的恆星距離地球約四光年。
pattern: [number] light-years from + place
Sayaka pointed to a map showing galaxies millions of light-years away.
Sayaka 指著地圖，上面標出數百萬光年外的星系。
Christopher read that the telescope can detect planets hundreds of light-years from us.
Christopher 讀到那台望遠鏡能偵測距離我們數百光年的行星。
After the lecture, Mira understood how radio signals travel across light-years of space.
聽完講座後，Mira 終於明白無線電訊號如何穿越光年的太空。
文法句型
[number] + light-years + from + place
[number] + light-years + away
[number] + light-years + across
用法筆記
Usually follows a number and often appears with 'from' or 'away' when giving the distance between stars, planets, or galaxies.