这项尚未发表的研究结果对应对气候变化的努力具有启示意义。

They suggest that the Amazon rainforest - a vital carbon store, or "sink", that slows the pace of global warming - may be turning into a carbon source faster than previously thought.

研究认为，作为至关重要的碳储存地（或称“碳汇”），亚马孙雨林减缓了全球变暖的步伐，而它转变为碳排放源的速度可能比之前预想的要快。

Every two weeks for the past 10 years, a team of scientists led by Prof Luciana Gatti, a researcher at Brazil's National Institute for Space Research (INPE), has been measuring greenhouse gases by flying aircraft fitted with sensors over different parts of the Amazon basin.

过去10年里，每隔两周，由巴西国家空间研究所研究员卢西亚纳•加蒂教授领导的一个科学家团队，就会在亚马孙流域的不同区域，通过安装传感器的飞行器来测量温室气体。

What the group found was startling: while most of the rainforest still retains its ability to absorb large quantities of carbon dioxide - especially in wetter years - one portion of the forest, which is especially heavily deforested, appears to have lost that capacity.

该小组的发现令人震惊：虽然大部分雨林仍然保持着吸收大量二氧化碳的能力——尤其是在更湿润的年份，但森林的一部分，尤其是大量被砍伐的森林，似乎已经失去了这种能力。

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