One reason is that heat from the sun can go through many of the building materials commonly found in cities.
VOA: special.2010.03.02
Depending on how far the planet is from the Sun and where it's located, you will get the left-hand side.
取决于行星到太阳的距离以及行星的位置,你就能列出等号左边的式子
So we have like a lot of different products to like, help protect your hair from the sun and water
所以我们有很多产品来,比如,帮助保护头发不受阳光和水的伤害,
It says ultraviolet radiation from the sun can reach you on cloudy days, as well as bright and sunny ones.
VOA: special.2010.07.06
I walked out and took a trolley to my apartment and Carlo Marx's papier-mache mountains grew red as the great sun rose from the eastward plains.
我走出去推了一辆推车到我的公寓,卡洛马克思的纸型山随着,东边太阳升起变成了红色。
The answer: solar panels. Energy from the sun powers the satellite dishes and computers that link the areas with the world outside.
VOA: special.2009.02.16
The total energy reaching Earth from the sun rises and falls by just one tenth of one percent across this solar cycle.
VOA: special.2009.09.29
They gathered to see buildings that get all the power they need from the sun.
VOA: special.2009.10.27
Solar water heaters are devices that use energy from the sun to heat water.
VOA: special.2009.04.20
They also provide shade from the sun, so they reduce cooling costs in summer.
VOA: special.2009.09.08
The planet's orbit lies about four billion five hundred million kilometers from the sun.
VOA: special.2011.07.27
Ultraviolet light from the sun changes a substance in the skin into vitamin D.
VOA: special.2009.04.21
Carbon dioxide and other gases in the atmosphere trap heat from the sun.
VOA: special.2010.01.19
Light and heat from the sun can change chemicals in the skin.
VOA: special.2010.07.06
This is because the light we see from the sun is white.
VOA: special.2010.01.05
The main cause of skin cancer is ultraviolet radiation from the sun.
VOA: special.2010.07.06
That will add warmth from the sun and protect them from wind.
VOA: special.2009.04.21
Power came from the sun. Water was cleaned and re-used.
VOA: special.2010.05.30
They provide windbreaks and shade from the sun.
VOA: special.2009.09.01
And he stresses that it should reduce the cost of generating power from the sun.
VOA: standard.2010.02.19
A new way of making solar cells promises a cheaper way to generate electricity from the sun and new ways to integrate solar power into other products.
VOA: standard.2010.02.19
But another engineering student from India,Bikramjeet Singh Grewal, says he does not have time for much fun in the sun.
VOA: special.2010.05.27
Their bodies,burned by the sun and stained yellow from the raft dye, had winnowed down to skeletons.
VOA: special.2011.05.04
The answer is yes. However, you first must take the steps necessary to protect yourself and your family from the dangers of the sun.
VOA: special.2010.07.06
It is also important to wear a hat and sunscreen lotion to protect your skin from being burned by the very hot African sun.
VOA: special.2009.08.19
When bad weather prevented navigators from seeing the sun,moon or stars, they had to use a method called "dead reckoning" to find the ship's position.
VOA: special.2009.12.23
She remembered how the white heron came flying through the golden air and how they watched the sun rise together from the top of the world.
VOA: special.2010.04.03
As the sun sets, hundreds of people from nearby villages gather around a crackling bonfire to celebrate a unique event.
VOA: standard.2010.06.07
Qi Sun is the lead author of a new report from the Harvard School of Public Health.
VOA: standard.2010.06.25
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