earth
英 [ɜːθ]
美[ɝθ]
	    - n. 地球;地表,陆地;土地,土壤;尘事,俗事;兽穴
 - vt. 把(电线)[电] 接地;盖(土);追赶入洞穴
 - vi. 躲进地洞
 
英英释意
- 1. the loose soft material that makes up a large part of the land surface;
 - "they dug into the earth outside the church"
 
- 2. the solid part of the earth's surface;
 - "the plane turned away from the sea and moved back over land"
 - "the earth shook for several minutes"
 - "he dropped the logs on the ground"
 
- 3. once thought to be one of four elements composing the universe (Empedocles)
 
- 4. the concerns of the world as distinguished from heaven and the afterlife;
 - "they consider the church to be independent of the world"
 
- 5. a connection between an electrical device and the earth (which is a zero voltage)