豪特教授解释“因为鲨鱼在水下生存并且很多都喜欢在黄昏和拂晓活动，所以他们生活在相对比较昏暗的环境中。 就如人们在夜晚利用道路反射的光线照明一样，但有一些鲨鱼在一天所有的时间内活动且他们视网膜比一些夜间出没的肉食动物和深水动物拥有更多的视锥细胞和少量的棒形细胞”。
Dr Hart explained that, because sharks live underwater and many are most active at dawn and dusk, they are operating in relatively dim light.
由于UVA光线可以透过玻璃和云彩，因此即使在阴天或者在有很多窗户的室内也要用防晒霜。
Since UVA rays penetrate glass and clouds, use sunscreen even when it's cloudy or you're indoors but in rooms with lots of Windows.
来自纽约奥杜邦的志愿者们在光线中发现很多种鸟类，如美国红星鸟，黄莺，画眉，比氏夜鸫，巴尔的摩金莺以及各种各样的唐纳鸟。
Volunteers from New York Audubon identified American Redstars, Yellow Warblers, Wood Thrushes, Bicknell’s Thrushes, Baltimore Orioles and various species of Tanager in the lights.
来自纽约奥杜邦的志愿者们在光线中发现很多种鸟类，如美国红星鸟，黄莺，画眉，比氏夜鸫，巴尔的摩金莺以及各种各样的唐纳鸟。
Volunteers from New York Audubon identified American Redstars, Yellow Warblers, Wood Thrushes, Bicknell's Thrushes, Baltimore Orioles and various species of Tanager in the lights.
但是在艳阳天，由“透明水泥”建成的房间呈现出的效果，如同墙壁上有很多灯光网眼，将光线过滤进来。
But on a sunny day inside a building made from the cement, the effect is akin to little more than a light mesh on the wall filtering the light coming in.
这些切口在立面上形成了很多使得自然光线进入这个建筑的路径，为大厅、展览室、食堂提供充足的采光。
Theincisions into the facades introduce variety to the route through the building, allowing natural light to enter and offering views from the galleries, foyer and cafeteria.
开始我使用PentaxSpotmaticF35mm相机以及两个镜头，后来用上了NikonFM相机以及一些更奇特的镜头，使我在暗淡光线下的拍摄快了很多。
I started out with a Pentax Spotmatic F 35 mm camera and 2 lenses. Eventually I moved up to a Nikon FM camera and a few more exotic lenses that were much faster for low light shooting.
既然现在光线需要穿过的纤维比之前多，所以在它离开衣服前就会变暗很多，进入我们眼界的光就少很多。
Since the light is now passing through a lot more fibers, it gets a lot dimmer before it leaves the cloth, so a lot less light is coming back to our eyes.
既然现在光线需要穿过的纤维比之前多，所以在它离开衣服前就会变暗很多，进入我们眼界的光就少很多。
Since the light is now passing through a lot more fibers, it gets a lot dimmer before it leaves the cloth, so a lot less light is coming back to our eyes.
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