These early ancestors of modern Eurasians disperse into parts of the world that had more seasonal sunshine and much lower levels of sun radiation.
这些现代欧亚混血儿的早期祖先分散到世界各地,那里有更多的季节性日照和更低水平的太阳辐射。
The winter sun begins to rise over mist and fog that has formed over fields on the Somerset Levels on November 15, 2010 in Glastonbury, England.
2010年11月15日,英格兰格拉斯顿伯里被大雾笼罩,此时冬日的太阳从大雾里开始缓缓升起。
Some studies show that even skin damaged by the sun may suffer fewer consequences if selenium levels are high.
一些研究显示,高含量的硒元素能减轻因阳光照射而对皮肤造成的伤害。
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