n.地球；陆地；泥土；兽穴vt.把（电线）接地；盖（土）；追赶入洞穴；vi.躲进地洞； 变形： 复数：earths过去式：earthed过去分词：earthed现在分词：earthing第三人称单数：earths 双语释义：n.(名词)[U]世界,地球 this world; the planet on which we live[U]大地,陆地,地面 land, the surface of the world as opposed to the sky or sea[U]泥土soil[U]尘世,人间