里面很黑，什么也看不见，只有一盏煤气灯照亮了石灰墙上的一片地方，别的全隐没在更黑的阴影中。
It was very dark inside: I could see nothing except a flaring gas-jet that illuminated a patch of plaster wall, throwing everything else into deeper shadow.
室内全光谱的太阳浴灯可以起到太阳光照的作用，这种设备对不能到室外去的时候就更有作用了。
Full spectrum light bulbs can also help simulate sunlight and help when it's impossible to get outside.
全船客区、公区所有照明灯具全部采用LED灯，较传统照明节能70%，较节能灯管照明节能50%。
All the lightings in guest area and public area in the ship adopt LED lights, saving energy by 70% than traditional lighting, 50% than PL lamp.
天快黑了，有人给比尔一把椅子，请他坐下等一会儿。忽然电灯全亮了，整座大桥的轮廓被灯照了出来。
Bill was given a chair and asked to wait a little as darkness came on, then suddenly the whole bridge was outlined in lights.
天快黑了，有人给比尔一把椅子，请他坐下等一会儿。忽然电灯全亮了，整座大桥的轮廓被灯照了出来。
Bill was given a chair and asked to wait a little as darkness came on, then suddenly the whole bridge was outlined in lights.
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