问题标题：
【英语翻译Volcanoeshavebeeneruptingontheearthformillionsofyears.Morethanfivehundredonesstillerupttoday.Thesearecalledacrivevolcanoes.Volocanoesarelocatedinbeltsorchains.Theyarefoundwheretheearth'scrustisweak.Thew】
问题描述：
英语翻译
Volcanoeshavebeeneruptingontheearthformillionsofyears.Morethanfivehundredonesstillerupttoday.Thesearecalledacrivevolcanoes.Volocanoesarelocatedinbeltsorchains.Theyarefoundwheretheearth'scrustisweak.Theweakspotsletthehotrockescapewhenthevolcanoerupts.Manyvolcanobeltsaremountainrangesalongtheedgesofcontinents.OnebeltrunsalongthewesterncoastofSouthAmericaupthroughthewestrenpartoftheUnitedStatesOthervolcanoesarefoundinoceanbasins.aboutthree-fifthsofallactivevolcanesintheworldareinthePacificOcean.Manyofthesevolcanoeseruptunderthewater.TheHawaiianIslandswerebuiltbyvolcanoesthatbrganeruptingunderwaterandfinallyreachedthesurfaceoftheocean.要人工翻译!逐句的!
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火山在地球上已经喷发了几百万年.至今还有超过500个的仍在喷发.他们被称作活火山.火山处在belts（火山带）或者chains（山脉群）.火山被发现于地壳薄弱的地方.当火山喷发时,这些薄弱地点让热岩石（岩浆）喷出.很多火...
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