尽量有翻译.字数在200个单词.十万火急!越快越好!
问题描述：
尽量有翻译.字数在200个单词.
十万火急!越快越好!
答
Our Place In SpaceThere are approximately four hundred million galaxies in the universe. We can see only a small part of our galaxy.This is the Milky Way.There are over three billion stars in the Milk...