| n 用法:
1 (astronomy 天) distance that light travels in one year (about 6 million million miles) 光年. 用法:
2 light-years [pl] (infml fig 口, 比喻) a very long time 极长的时期:
Genuine racial equality still seems light-years away. 真正的种族平等似乎仍遥遥无期. light-year 2
n 用法:
1 (astronomy 天) distance that light travels in one year (about 6 million million miles) 光年. 用法:
2 light-years [pl] (infml fig 口, 比喻) a very long time 极长的时期:
Genuine racial equality still seems light-years away. 真正的种族平等似乎仍遥遥无期. |