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volcano单词精讲

volcano·n.??[u?lke?n??](volcanoes/volcanos)volcano

·C??火山??amountainwithaholeinthetopwherefire,gasandhotliquidrocksometimescomeout双解释义

词汇搭配??形容词+～active〔extinct,sleeping,submarine〕volcano??活〔死,休眠,海底〕火山??介词+～mouthofavolcano??火山口??～+介词volcanoineruption??爆发中的火山

Theeruptionofavolcanoisspontaneous.

火山的爆发是自发的。句型例句??