n. 世界( earth的名词复数 ); 尘世; 泥土; 兽穴

n the 3rd planet from the sun; the planet we live on

n the loose soft material that makes up a large part of the land surface

n the solid part of the earth's surface

n the abode of mortals (as contrasted with Heaven or Hell)

n once thought to be one of four elements composing the universe (Empedocles)

n the concerns of this life as distinguished from heaven and the afterlife

n a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)

v hide in the earth like a hunted animal

v connect to the earth