earth 指表面有陆地和水，人类所居住行星的名字。有时与“天”相对，泛指“地”。
world 通常相当于earth与globe，现多用指地球，地球上的世界，社会和人。
globe 指我们生活的地球，但强调其实体和圆形。
参考例句
1. His stereo is earthed. 他的立体声收录机接地了。
2. The Earth is not a perfect sphere . 地球并不是一个完全的球体。
3. Men are from earth. Women are from earth. Deal with it. 男人是地上来，女人也是地上走的。做个交易吧。
英英解释
n.
1. the 3rd planet from the sun; the planet we live on
2. the loose soft material that makes up a large part of the land surface
3. the solid part of the earth's surface
4. the abode of mortals (as contrasted with heaven or hell)
5. once thought to be one of four elements composing the universe (Empedocles)
6. the concerns of this life as distinguished from heaven and the afterlife
7. a connection between an electrical device and a large conducting body, such as the earth (which is t v.
1. hide in the earth like a hunted animal
2. connect to the earth
