Turn on the inside light at night.
在晚上就打开里面的灯。
For six months of the year, there is hardly any light at the poles.
一年中的6个月里，地球的两极几乎没有任何光线。
It gets light at about 5 o'clock.
大约5点钟天就亮了。
I see a light at the end of the tunnel.
我在隧道另一端看到了一缕光线。
The light at the end of the tunnel is dim at best.
希望如同隧道口的光芒般渺茫。
Over the long-term, it means there is a light at the end of the tunnel.
从长期来看，这意味着黑暗的尽头将出现的光明。
He spread out a cloud as a covering, and a fire to give light at night.
他铺张云彩当遮盖，夜间使火光照。
They might be a little slow to see the light at first, but don't let that stop you.
一开始要他们看见希望之光可能比较慢，但不要停下来。
In their simplest experiment, they shot laser light at the edge of a solid glass sphere.
他们最简单的实验是在一个实心玻璃球的边缘上发射了一束激光。
Instead the failed star ultimately cools and emits most of its light at infrared wavelengths.
因此这颗不成熟的恒星最终将会冷却并在红外波段发射出其大部分的光芒。
The thin, nanoscale wedges strongly absorb blue light at the tip and red light at the base.
这种薄的纳米尺度的楔子形状吸收能力强，顶部吸收蓝光，底部吸收红光。
He needs about $3000 [LKR300,000] to rebuild but can't yet see the light at the end of the tunnel.
他需要3000美元（300,000斯里兰卡卢比）的重建费用，但目前还看不到希望。
In the photo to the left, autofocus would be almost guaranteed by using the bright light at the bottom.
在左边的照片里，你可以利用画面底部的亮处进行自动对焦。
However, if there is indeed a link, then perhaps people should minimize exposure to artificial light at nighttime.
如果两者真的有关系，那么人们在晚上可能要尽量避免非自然光的照射。
Perhaps for the smaller, specialist fibre players, there might yet be light at the end of this very long, thin tunnel.
也许对这些小而专业的光纤公司来说，又长又窄的隧道前面就是光明。
This does not disturb the conformation of the protein molecules; but those in state "zero" absorb light at this wavelength.
这不会干扰蛋白质分子的构造，但那些“0”状态的蛋白质分子将吸收这个波长的光。
When they shone pulses of light at the cell, it duly produced a "beautiful green" laser beam detectable with the naked eye.
当一束脉冲激光照在这些细胞上后，迅速产生了一条“绚丽的绿光”，此时的激光束可直接用肉眼观察。
Basic cancer science, Mukherjee believes, has revealed not another false dawn but a light at the end of the historical tunnel.
慕克吉坚信，基本的癌症科学揭示出的不再是一个虚假的黎明而是历史隧道出口的光芒。
Basic cancer science, Mukherjee believes, has revealed not another false dawn but a light at the end of the historical tunnel.
慕克吉坚信，基本的癌症科学揭示出的不再是一个虚假的黎明而是历史隧道出口的光芒。
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