例如，如果一只信鸽要用它的太阳罗盘进行导航，它必须根据日光/黑暗的循环所提供的线索正确设置时间。
For instance, if a homing pigeon is to navigate with its Sun compass, its clock must be properly set by cues provided by the daylight/darkness cycle.
森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
维生素d—你的皮肤把日光转化成维生素d，但是很多人有太阳恐惧症。
Vitamin D — your skin converts sun into vitamin D, but a lot of people have this sun phobia.
我还需说的是，过分暴晒在太阳底下抑或过度日光浴对健康也极为不利。
I would also add self-induced overexposure to the sun and excessive use of sunbeds to the list.
利用自身物质材料建造的月球太阳能电站把日光转换成电能，可以为整个月球的勘探开发提供所需的能源。
Sunlight can be converted into electricity with lunar-made solar panels to supply the Moon with all of the power needed for global exploration and development.
当太阳低弧度越过地平线时，它们走动的身影映衬着一地的雪白，沐浴在柔和的日光中。
They move silhouetted against a land white as white, bathed in gentle light as the sun traces a low arc across the horizon.
这两艘飞船是目前距离最遥远的人造物体，远在日光层外缘——由太阳产生的，环绕太阳系的巨型泡状体。
The two spacecraft are the most distant human-made objects, out at the edge of the heliosphere — the bubble the sun creates around the solar system.
当我在凉亭里休息的时候，两个德国女孩把两张日光床拖到了太阳底下。
While I chill in the alcove, two German girls drag a couple of sunbeds into the full glare of the sun.
每天适当的晒太阳：日光可以帮助规范睡眠模式。
Have the right sunlight exposure. Daylight is key to regulating daily sleep patterns.
一些公司在莫哈韦沙漠铺设大片大片的镜状物，收聚太阳的光照，将日光能通过热水锅炉转化为热能，将水转变为蒸汽，推动汽轮机发电。
Some firms are building vast fields of mirrors in the Mojave desert to focus the sun onto water boilers and use the steam to spin turbines.
日光浴床和太阳灯会增加患皮肤癌的风险，并对没有受到保护的眼睛带来损伤。
Sunbeds and sunlamps increase the risk of skin cancer and can damage unprotected eyes.
由于日光返辉区(sunglint)的关系图像形成鲜明对比，此区域的水面将太阳光直接反射至ISS上观测的宇航员处。
The stark contrast is due to sunglint, in which the Sun is reflected off water surfaces back towards the astronaut observer on board the ISS.
在Lucifer这个词还没变“坏”以前，罗马人用它来指称金星，因为金星在清晨先于太阳升起，预示着白日光明的来临。
Well, before Lucifer was the bad guy the Romans used the name to designate the planet Venus as it rose before the sun in the morning, heralding the light of day.
这些发现说明所有关注因日光引起眼部疾患的人应该避免使用So - Low牌子的太阳镜，而应该购买更高价格的品牌或是根本不戴太阳镜。
These findings suggest that anyone concerned about eye damage from the sun should avoid So-Low brand and instead either pay for higher-priced brands or wear no sunglasses at all.
该种抛物面太阳能收集槽已采用这种新型电池板、它能将照射在上面日光焦中在抛物面的焦点部位，与以前不同的是，它能将水温加热到1450华氏度（788摄氏度）。
This new panel has been used in a new dish design which also focuses the sunlight into one spot, but this time to a temperature of 1450 degrees F.
Kalwall具有良好的隔热性能，并允许高层次的日光渗透，所以它朝北意味着全年都极少或者没有获得太阳能热的风险。
Kalwall has good thermal insulation properties and allows a high level of daylight penetration, so its northerly aspect meant that there was little or no risk of solar heat gain throughout the year.
一些象帕洛·阿尔的SolFocus这样的初创公司正尝试用透镜和反光镜将日光聚集成高效率的太阳能电池来减低成本。
By using lenses and mirrors to concentrate sunlight onto high-efficiency solar cells, start-ups such as SolFocus, in Palo Alto, are trying to reduce the cost per watt of solar systems.
但是由美国皮肤病学会(the American Academy of Dermatology)发布的新的调查显示，没有获得这个信息的女性多半会错误地认为日光浴床比天然太阳光安全。
But a new survey by the American Academy of Dermatology suggests the message isn't reaching female tanners who might falsely believe that tanning beds are safer than natural sunlight.
那玫粉、殷红、炫紫的日光使得云朵充满色彩和美丽，栩栩如生。金色的太阳从山边缓缓升起，预示着欢乐的到来。
The pink, red and purple made the clouds come alive with colour and beauty. The golden sun coming over the mountains indicated that great joys were coming.
趋光性的一种类型，植物的花在一天内朝向太阳，并随着日光照射的方向而转移方位。
Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.
日光来自太阳，太阳是一团炙热、发光的气体。
Daylight comes from the sun, which is a mass of hot, glowing gas.
接触适宜量的阳光。日光对调节你的睡眠风格十分重要。尽量每天出去晒至少30分钟的太阳。
Have the right sunlight exposure. Daylight is key to regulating daily sleep patterns. Try to get outside in natural sunlight for at least 30 minutes each day.
在当地气候和太阳能的条件下，窗户开口和屋顶遮篷的安装都保证了白天进入教室的日光。
Informed by the local climate and solar conditions, the window openings and roof canopy are configured to maximize daylight within the classrooms.
渔夫们曾经出海的地方现在成了游客们停下来进行日光浴的场所，这里的沙滩被太阳炙烤着。
Where fishermen once set out to sea, now travellers stop to soak up the sun which bakes the sandy shores.
自然光带来光明，打破了直线的冷感，重视使用的材料，更好地利用日光，日光通过太阳能板给供暖系统提供能源。
This natural light brings light and breaks the straight lines's coldness, valuing the materials used and providing a better use of daylight that also feeds the heating system through solar panels.
这太阳及日光层观测卫星是在极端的紫外线的波长，颜色编码经由温度，用红色显示最热的。
This SOHO image is in extreme-ultraviolet wavelengths, color-coded by temperature, with red showing the hottest.
太阳灯浴床并不是日光浴的安全替代方式，儿童可轻易获得成为隐患。
Sunbeds are not a safe alternative to sunbathing, and the fact that children can easily access them is a worry.
喜欢集中光电伏打浓缩器，这些技术使用只有直接-光线日光，并非漫射太阳的放射线。
Like concentrating photovoltaic concentrators, these technologies use only direct-beam sunlight, rather than diffuse solar radiation.
喜欢集中光电伏打浓缩器，这些技术使用只有直接-光线日光，并非漫射太阳的放射线。
Like concentrating photovoltaic concentrators, these technologies use only direct-beam sunlight, rather than diffuse solar radiation.
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