light-year
导读：light-year读音音标
英 [\'laɪt\'jɪr]美 [\'laɪt\'jɪr]
light-year意思解释
n.光年； 英英释义 light-year[ \'laitjə: ]n.the distance that light travels in a vacuum
英 [\'laɪt\'jɪr]美 [\'laɪt\'jɪr]
light-year意思解释
n.光年； 英英释义 light-year[ \'laitjə: ]n.the distance that light travels in a vacuum
light-year读音音标
英 [\'laɪt\'jɪr]
美 [\'laɪt\'jɪr]
light-year意思解释
n.
光年；
英英释义
light-year[ \'laitjə: ]
n.
the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers
同义词：light year
双语例句
用作名词(n.)The distance can be expressed in light years.距离可以用光年表示。A place that requires one year for light to reach is one light year distant from us.因此光需要一年时间才能到达的地方离我们也就是一光年的距离。
