这颗行星没有白昼和黑夜之分。
因为冰岛靠近北极，所以冰岛的夏季没有黑夜，冬季没有白昼。
Since Iceland is quite close to the North Pole, there is no darkness in summer and no daylight in winter.
如果你不能外出，或者你居住得足够远，远到一天仅有几小时甚至没有白昼的北部地区，那么你可以使用全光谱的探照灯，光线或者白色墙壁模式或者是充满生气的重色调色彩来保持光亮。
If you can't, or if you're so far north as to have little or no daylight, use full-spectrum lights, light or white walls, and perhaps some vibrant accent colors.
尽管陪审团对白昼注意力提高是否由睡眠改善所致尚且没有做出决定，但是很有可能导致睡眠剥夺迹象的减少。睡眠剥夺与ADHD颇为相像。
While the jury's still out on whether improvements in sleep will translate to increased focus during the day, it will likely result in fewer signs of sleep deprivation which can look a lot like ADHD.
城门白昼总不关闭。在那里原没有黑夜。
And the gates of it shall not be shut at all by day: for there shall be no night there.
当你们的白昼并非无忧无虑，你们的夜晚并非没有希望和悲伤，你们是自由的。
You shall be free indeed when your days are not without a care nor your nights without a want and a grief.
我们应当赞美并怜悯他们，正如我们既怜悯又赞美一个同时是黑夜又是白昼的人，在他们的眉毛下面没有眼睛，只有一颗星星在额上。
They are to be admired and pitied, as one would both pity and admire a being at once night and day, without eyes beneath his lashes but with a star on his brow.
秋季的白昼渐渐过去，家里的皿钟敲了十二下，中午了，调式变了，我的心里仍然充满了音乐，没有机会想到工作或义务的感召；我于是唱道。
The autumn day wears on, the house gong sounds 12 noon, the mode changes; though my mind is still filled with music, leaving no room for call of work or duty; and I sing.
它的白天和黑夜仿佛是没有界限的，白昼有暗夜的气象，而黑夜又有白昼隐约的影子，一如鲁迅作品带给我的气息。
Its day and night as if there is no limit, the day the night weather, and the night there are faint shadow of the day, as Lu Xun works to bring me the breath.
我部分白昼黑夜看守房子。有我在，小偷不敢偷取主人的财产。没有我，你们还会在么？
I watch the house by day and by night. I keep thieves from stealing my master's property. Where would you all be but for me?
正如白昼时天空中没有任何一颗星星的温度和亮度能超过太阳，同样，也没有任何一项竞赛能够比奥运会更伟大。
As in the daytime there is no star in the sky warmer and brighter than the sun, likewise there is no competition greater than the Olympic Games.
在地下，没有外界生成的白天，而只有永恒的黑暗，人工照明形成白昼，这就可以根据人的需要加以调整。
Underground, where there is no externally produced day, but only perpetual darkness, it would e artificial lighting that produces the day and this could be adjusted to suit man's convenience.
黑暗无论怎样悠长，白昼总会到来。世界上还没有一个方法，可以从一个人的脸上探察他的居心。
No matter how long darkness, the day will come. The world does not have a method can detect a person's face his evil intentions.
在假期里我没有别的事情可做，我坐着从早上画到中午，从中午画到晚上。仲夏白昼很长，有利于我专心致志。
I had nothing else to do, because it was the vacation, and I sat at them from morning till noon, and from noon till night: the length of the midsummer days favoured my inclination to apply.
这种声音最适宜于白昼都照耀不到的沼泽与阴沉沉的森林，使人想起人类还没有发现的一个广大而未开化的天性。
It is a sound admirably suited to swamps and twilight woods which no day illustrates, suggesting a vast and undeveloped nature which men have not recognized.
约九4趁著白昼，我们必须作那差我来者的工，黑夜一到，就没有人能作工了。
Jn. 9:4 We must work the works of Him who sent Me while it is day; night is coming when no one can work.
这意味著在第二天的阳光下，地球上白昼的那一侧只有加热，没有冷却；同样，夜晚的那一侧只有冷却，没有加热。
This means that the day side of the Earth warms up without cooling, and likewise the night side cools down without warning up under sunlight the next day.
这意味著在第二天的阳光下，地球上白昼的那一侧只有加热，没有冷却；同样，夜晚的那一侧只有冷却，没有加热。
This means that the day side of the Earth warms up without cooling, and likewise the night side cools down without warning up under sunlight the next day.
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