release huge amounts of carbon into the atmosphere 会向大气中释放大量的碳

　　A new study suggests that increased warming in Arctic areas could release huge amounts of carbon into the atmosphere.一项最近的研究表明，北极地区气候变暖的加剧可能会向大气中释放大量的碳。

　　permafrost layer永久冻土层

　　The study centered on the permafrost layer beneath Arctic soil.这项研究集中在北极土壤下面的永久冻土层上。

　　melting of this layer 冻土层的融化

　　with big effects on worldwide temperatures 对全球气温产生重大影响

　　The researchers said melting of this layer could release billions of tons of carbon into the atmosphere, with big effects on worldwide temperatures.研究人员表示，这一冻土层的融化可能会向大气中释放数十亿吨的碳，对全球气温产生重大影响。

　　come to life 复苏

　　That is when plants and microorganisms come to life.那时植物和微生物都已复苏。

　　fall by 7.6 percent every year每年下降7.6%

　　Until now, the United Nations Environment Programme had estimated that global emissions of carbon gases must fall by 7.6 percent every year for the next 10 years.

　　到目前为止，联合国环境规划署估计，未来10年，全球碳排放必须每年下降7.6%。

　　have been the hottest on record 有记录以来最热的

　　Studies by the United States space agency and the U.S. National Oceanic and Atmospheric Administration suggest that the past 10 years have been the hottest on record.美国航天局和美国国家海洋和大气管理局的研究表明，过去10年是有记录以来最热的10年。