建筑 高楼群密集。 帝国大厦，Empire State Building 克莱斯勒大厦，Chrysler Building 联合国
11 建筑 高楼群密集。 帝国大厦，Empire State Building 克莱斯勒大厦，Chrysler Building 联合国
Home Light Year A light year is the distance that light travels in one year,at the speed of 186,282 miles per second.Art Buchwald is being humorous when he deliberately says"20,000 light years ago."The intended meaning is only "a very,very long time ago
12 Light Year A light year is the distance that light travels in one year, at the speed of 186,282 miles per second. Art Buchwald is being humorous when he deliberately says “20,000 light years ago.” The intended meaning is only “a very, very long time ago