The only problem with the site is the poor quality of the photographs –users tend to take the photos themselves, with a mirror, often using a camera phone in poor lighting.
这个站点唯一的问题就是照片的质量不高——用户大多数时候都是对着一面镜子或者在光线不佳的环境下用手机拍照。
Work out in a safe environment. Avoid slippery floors, poor lighting, throw rugs, and other potential dangers.
在安全的环境下进行锻炼。避免湿滑的地板、昏暗的光线、易摔的地毯以及其他潜在的危险。
The same is true for alarm clocks and poor lighting.
闹钟与不良照明也一样会影响你的睡眠。
Kerosene costs less than other forms of lighting, but it is still costly in poor countries.
VOA: special.2009.12.21
He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.
VOA: standard.2009.12.13
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