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。
While sun salutations may not get your heart pumping as much, yoga still has positive impacts on waist circumference, blood pressure, blood sugar and cholesterol levels.
尽管拜日式可能不会让你的心脏跳得更剧烈，瑜伽对腰围、血压、血糖和胆固醇含量都有好处。
This small weakening of the sun, however, has been outpaced by the rapid increase in CO2 levels from all our fossil fuel burning and tree-cutting.
虽然太阳活动降低了，但是我们燃烧化石燃料和砍伐树木引起了CO2的快速升高。
Far from being lumbering slow beasts that boosted their energy levels by basking in the sun, they were likely to have been agile and active.
恐龙并不是一种身体笨重、行动迟缓、靠晒太阳来增加身体活力的动物，相反，恐龙可能非常敏捷活跃。
Blocking out the sun would help to cool the planet, but it would do little to address other nasty side-effects of high carbon-dioxide levels, such as the acidification of the oceans.
阻挡阳光照射将有助于地球的降温，但对高级别的二氧化碳产生的其它负影响却几乎无能为力，比如对海洋的酸化。
The letter offers similar product levels as Sun before the Oracle takeover: Basic, Silver, Platinum and Unlimited, it's in support services and software the offerings differ.
信中他们提供与前Sun相同的产品级别：基本版，银版，白金版和最终版，只是服务和软件有所不同。
Know the UV index: when the UV index predicts radiation levels of 3 (moderate) or above sun safety practices should be taken.
了解紫外线指数：当紫外线指数预报辐射级别为3(中度)或更高时。
The upper level shifts north to create a continuous veranda for the lower levels, providing privacy from neighbours and protection from summer sun.
高层向北移动，为低层创建连续的走廊，提供相对邻居的隐私，并且保护其免受夏日阳光的暴晒。
To most Earthlings, the tides produced by the gravity of the moon and sun matter only to sea levels.
对大多数地球人来说，由于卫星和太阳的重力作用产生的潮汐只会对海平面产生作用。
Gravity can do it, too. To most Earthlings, the tides produced by the gravity of the moon and sun matter only to sea levels.
对大多数地球上的生物来说，由于卫星和太阳的重力作用产生的潮汐只会对海平面产生作用。
Gravity can do it, too. To most Earthlings, the tides produced by the gravity of the moon and sun matter only to sea levels.
对大多数地球上的生物来说，由于卫星和太阳的重力作用产生的潮汐只会对海平面产生作用。
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