主要光源称为主光。主光常常用辅光作补充。室外拍摄的主光为阳光。
The main source of illumination is called the key light. The key light is frequently supplemented by subsidiary lighting. The chief source of light for outdoor shooting is sunlight.
由于曾经出现的密封德国阳光蓄电池和新型凝胶剂为阳光公司研发胶体密封蓄德国阳光蓄电池供给了有利条件。
Due to the seal Germany sunshine and new battery gels for sunshine, colloid seal Germany sunshine storage battery supply the favorable conditions.
此外，对阳光过度敏感的问题在秋天更为严重，因为此时叶子正忙着通过“拆卸内部机构”为冬天做准备。
Moreover, the problem of oversensitivity to light is even more acute in the fall, when the leaf is busy preparing for winter by dismantling its internal machinery.
他称自己为“阳光男孩”。
不管怎样，大多数度假者还是会继续向北，前往阳光海滩和阿尔比纳这些专门为度假而建造的度假地。
Most of holidaymakers anyway head further north to the purpose-built resorts of Sunny Beach and Albena.
我为这些地方列了张表，这样当冬天到来的时候，阳光和出门动机变少了，我就能用那张表欺骗自己移动。
I've started a list of these places so that, come winter when there's less sunlight and motivation to be outdoors, I have a cheat sheet for getting myself moving.
女老板在阳光下放了一张椅子，一边为我斟上一杯鲜榨的桔汁，一边呼唤女儿去鸡舍看看鸡是否下蛋了。
The woman owner set a chair in the sun, poured me a glass of freshly squeezed orange juice and shouted to her daughter to check the hen house for eggs.
可以从一个窗口看到阳光和围栏，但是从其他的窗口她看到为她保留的邻居在清晨来来往往的电子小径。
Sunlight and a fence are visible through one, but through others she sees electronic trails that have been kept for her of neighbors coming and going during the early morning.
西班牙旅游局有意利用社会媒体为西班牙打造崭新定位，突破西班牙“阳光与海滩”的传统形象。
The Spanish Institute of Tourism is looking to expand the image of Spain beyond a destination for the traditional "sun and beach" holiday by using social media.
由于缺乏太阳光的照射，植物和以植物为食物的生物会很快地死亡。
Starved of sunlight, plants and plant-eating creatures would quickly die.
以地球为例，每平米的阳光吸收量为23 9瓦特。
In the case of the Earth, the amount of sunlight absorbed is 239 watts per square metre.
这个以木为墙的房间的阳台可以看到阿姆（Amu）河震撼人心的景象--阿姆河在阳光下闪烁着粼粼波光从帕米尔山脉下流过。
The room's balcony took in a breathtaking view of the river Amu, which shimmered in the sunlight beneath the Pamir mountains.
查尔斯·米勒建议，尝试基因工程在光感大肠杆菌里基因物质，而不是在利用可以进行光合作用的蓝藻的基因的犹他州立大学代表队说，最终目标应该是制造以成本更低的疫苗和藻类为基础的“绿色”燃料，不像大肠杆菌那样，蓝藻只需要水和阳光的生存来源，而不是碳水化合物。
Miller says the ultimate goal is to make it cheaper to produce vaccines and algae-based "green" fuels. Unlike e. coli, cyanobacteria only need water and sunlight to survive instead of a carbon source.
这一切为沙滩添上若干硬色调，恐怕不是所有度假人都会喜欢的。反正大多数游客还是到更北面特意建造起来的阳光海滩度假胜地阿尔比纳。
It lends the beach itself a certain hardness that may not appeal to all holidaymakers (most of whom anyway head further north to the purpose-built resorts of Sunny Beach and Albena).
这只莎莉快脚蟹觉得我并无恶意，于是殷勤地为我在距离不到一英尺的阳光下跳了支舞。
This Sally Lightfoot crab decided that I meant no harm and just politely danced for me in the sunlight less than a foot away.
当阳光照射在纳米管上时，纳米管释放出高能量的载荷子，使得水分子分解为两种活性成分-氢氧自由基和氢离子。
When light falls on the nanotubes, they release energetic charge carriers, which split the water molecules inside them into two reactive components - hydroxide radicals and hydrogen ions.
他是一个犹太人，一个叫阿娜的母亲的孩子。阿娜意思是“我们屋子里阳光”，她在成为一名活跃的、声音沙哑的巴勒斯坦人权利的支持者之前，曾是一名为争取以色列建国而战斗的先驱者。
He was a Jew, the child of a mother, Arna (" the sun in our house "), who had fought as a pioneer for the state of Israel before becoming a feisty, raucous advocate of Palestinian rights.
与传统的摩天大楼不同，这个淡水加工厂不是为城市而建设，而是为有着充足阳光气候和有利的生长条件的西班牙阿尔梅里亚省而建设。
Unlike a traditional skyscraper, the freshwater factory is proposed not for the city but for the Almeria province of Spain for its sunny weather and favorable growing conditions.
现代太阳帆航天器的设计，如纳米帆- D或者日本的行星飞船IKAROS，是以很少但是持续的太阳光为推动力。
Modern solar sail spacecraft designs, like NanoSail-D or the Japanese interplanetary spacecraft IKAROS, rely on the small but continuous pressure from sunlight itself for thrust.
地板上散布着十二星座，每天中午都有阳光洒落的的白色大理石条纹把地板一分为二。
The floor is sprinkled with signs of the zodiac and bisected by a line of white marble onto which a sun ray falls each day at noon.
《药物和疗法公报》的编辑艾克博士说，如果人们想避免皮肤被阳光灼伤并预防皮肤癌，就应该涂抹系数为30的防晒霜。
If people wish to prevent sunburn and the risk of skin cancer, they should slap on factor 30, said Dr Ike Iheanacho, editor of the DTB.
邻居给了她一把雨伞遮挡下午阳光的曝晒，一顶帐篷在夜里温度降低时为他们保暖。
Neighbors lent her an umbrella to provide shade from the searing afternoon sunshine, and a tent to keep warm when the temperatures plunged at night.
明亮的、阳光充足的沙滩为队员们提供一定可视环境，帮助他们在飞盘运行时准确定位。
A bright and sunny beach setting provides required visibility for Ultimate Frisbee players, helping them locate the Frisbee as it glides through the air.
阳光为你的身体提供所需的维他命d，而且刺激安多芬以及其他一些大脑化学物质的产生，从而能够舒缓压力和改善心情。
Sunlight provides your body with much needed vitamin d, and stimulates production of endorphins and other brain chemicals that relieve depression and improve moods.
太阳光也可以直接为太阳能烤箱、热力发动机和热力经营系统提供热源。
Sunlight could also be used for operating solar ovens, heat engines, and thermal management systems.
严格来讲，植物通过空气中的二氧化碳、水分以及太阳光来为自身提供养分。
Plants form themselves literally out of thin air, combining carbon dioxide, water and the energy of sunlight to give themselves substance.
巴西的热带气候以及数千公里长的海滩促使它成为一个阳光崇尚者的国度，人口约50%为欧洲后裔。
Brazil's tropical climate and thousands of kilometres of beaches have contributed to building a nation of sun-worshippers with European descendants making up about 50% of the population.
我的道路是在充满阳光的草场上的，玫瑰为我开着芳香的花朵，山鸟和画眉为我唱欢乐的情歌。
My path lies through the sunlit meadows, the sweetest roses bloom for my gathering, and the blackbirds and thrushes await my coming to pour forth their most joyous lays.
我的道路是在充满阳光的草场上的，玫瑰为我开着芳香的花朵，山鸟和画眉为我唱欢乐的情歌。
My path lies through the sunlit meadows, the sweetest roses bloom for my gathering, and the blackbirds and thrushes await my coming to pour forth their most joyous lays.
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