- half the size of the United States...
有半个美国那么大 - ...in a crust up to three kilometers deep.
表层厚达三千米 - Volcanic gases have caused global temperatures to soar.
火山气体导致全球气温飙升 - Forests and reefs
森林和珊瑚礁 - have been annihilated.
被彻底毁灭 - Hundreds of millions of years of evolution,
数亿年的进化 - gone.
付之一炬