Rubik’s Cube, the iconic and maddeningly addictive toy with 43 quintillion permutations, has landed in the National Toy Hall of Fame  along with little green Army men and soap
There are more than seven quintillion grains of sand in the world , almost all of which are visible in these satellite images if you look reeeeally hard
quintillion与发音含义,同义词,反义词,翻译,刑和更多的