Life affects (影响) friendships. As we grow, marry, fight in wars, move across the country or change jobs, old friendships fall away and new ones form. As long as we live, the things around us cha
The moon looks bigger than stars at night. But in fact, it is smaller than them. The moon looks big to us, because it is nearer to us than stars. The moon goes around the earth. The moon is like a b
