light-year
英
['laɪt'jɪr]
美
['laɪt'jɪə]
- n. 光年
new
light-year的英文翻译是什么意思,词典释义与在线翻译:
英英释义
Noun:
-
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers