ldoce_348_dvol·ca·no /vɒlˈkeɪnəʊ $ vɑːlˈkeɪnoʊ/ ●○○ noun (plural volcanoes or volcanos) [countableC] HEa mountain with a large hole at the top, through which lava (=very hot liquid rock) is sometimes forced out 火山 Pompei was destroyed when the volcano erupted in 79 AD. 庞贝城于公元79年在火山爆发中毁灭。
active volcano (=one that may explode at any time) 活火山
dormant volcano (=one that is not active at the moment) 休眠火山
extinct volcano (=one that is no longer active at all) 死火山
→5 See picture of ash 火山灰, crater 火山口, lava 熔岩, magma 岩浆 →4 See picture of 见图 volcano n COLLOCATIONSverbsa volcano erupts (=it sends smoke, fire, and rock into the sky)The volcano last erupted 50 years ago.
adjectivesactive (=it may erupt at any time)Mount Etna is still an active volcano.
dormant (=it has not erupted for a long time)Volcanoes can remain dormant for hundreds of years.
extinct (=it does not erupt anymore)The lake is at the foot of an extinct volcano.