单词 | volcano |
释义 | vol·ca·no ![]() n. pl. vol·ca·noes or vol·ca·nos 1. a. An opening in the earth's crust from which lava, ash, and hot gases flow or are ejected during an eruption. b. A similar opening on the surface of another celestial object. 2. A usually cone-shaped mountain formed from the materials issuing from such an opening. [Italian, from Spanish volcán or Portuguese volcão, both probably from Latin volcānus, vulcānus, fire, flames, from Volcānus, Vulcan.] ![]() cutaway of an erupting volcano |
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