他成功登上乞力马扎罗山峰顶后倒下了。
科学家称，乞力马扎罗山峰峰顶的北部及南部冰原各自变薄了6.2英尺和16.7英尺。
The northern and southern ice fields on the summit of Kilimanjaro had thinned by 6.2 feet and 16.7 feet respectively, said the scientists.
乞力马扎罗山峰冰雪消融的标志是在20世纪50年代早期开展的原子能测试产生辐射尘的放射性特征。
One marker of ice loss on Kilimanjaro was the radioactive signature of fall-out from atomic tests carried out in the early 1950s.
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