Summer hours were long, winter ones short; only at the spring and autumn equinoxes were the hours of daylight and darkness equal.
夏天的时间长，冬天的时间短；只有在春秋分点，白天和黑夜的时间才相等。
In reality equinoxes don't have exactly 12 hours of daylight.
在现实中的春分、秋分不一定正好是12小时的白昼。
On this day, the longest day of the year, there will be over 19 hours of daylight in Sweden.
这天的白昼是一年中最长的，在瑞典，夏至这天的白昼会超过19个小时。
In cooler climates, Onions may need fourteen to fifteen hours of daylight to start forming bulbs.
在寒冷气候条件下，洋葱可能需要14- 15小时日照才能形成鳞茎。
Winter's harsh weather, shorter hours of daylight and family demands can all aggravate feelings of stress.
冬日恶劣的天气、白昼时间的缩短和家庭的需求等都可能加剧人的压力感。
In the north, winter is the season of cold and snow. There are fewer hours of daylight and more of darkness.
在北方，冬天是寒冷和白雪的季节。日照的时间不多，黑夜更长。
So in the north, the solstice day has the shortest length of time between sunrise and sunset and fewest hours of daylight.
所以在北半球，冬至日的白天是最短的，只有几个小时而已。
Equinox means equal night and with the Sun on the celestial equator, Earth dwellers will experience nearly 12 hours of daylight and 12 hours of darkness.
春分意味着在夜晚和太阳在天球赤道上的时间相等，地球上的居民将经历12小时的白天与黑夜。
Records show that during December and January, the two months with the fewest hours of daylight, attendance rates fall, average daily class participation drops, and grades decline.
记录表明在日光最少的十二月和一月，出席率下降，每日平均课程参加量减少，分数降低。
And even in Sweden's south, with up to seven official hours of daylight on the shortest day of the year, the sun is often masked by low clouds and never pushes far past the horizon.
瑞典南部白昼最短的一天日照本应达到七个小时，但由于低云层的缘故，日光几乎不能越过地平线。
The sun's glancing rays are spread over a greater surface area and must travel through more of the atmosphere before reaching the earth. There are also fewer hours of daylight in a 24-hour period.
太阳光倾斜的照射分布在（南半球）更广大的地表并且在光线到达地表前必须大气中穿行更长的距离。
For most of the daylight hours, the wildlife of the place-coyotes, ground squirrels, lizards, road-runners-seek rare, small spots of shade.
日照的大部分时间里，此地的野生动物———丛林狼、地松鼠、蜥蜴以及走鹃———纷纷寻觅着稀罕且又狭小的乘凉之所。
Jack glanced at his watch, already set to Eastern Daylight Time. He discovered he'd slept for nearly thirty-five minutes - the longest interval of rest he'd had in the last fifteen hours.
杰克看了一眼已经调成东部夏令时的手表，发现自己睡了将近35分钟——这是他过去15个小时休息得最长的一段时间。
With limited daylight, chances are you'll be running in the dark (Alaskans, sadly, get only a few hours of dim light per day).
在有限的日光条件下，你极有可能会跑进暗处(很遗憾地说，阿拉斯加每天仅有几个小时的日光。)
But unlike weather satellites that look at the same region on Earth 24 hours a day, Terra and Aqua generally only get one daylight view each of the Gulf of Mexico.
但与每天24小时盯着地球同一个区域的气象卫星不同，一般情况下泰拉和阿卡只能各获取一张有关墨西哥湾的白天视图。
I stayed up and listened to them until the last tones of the hound's voice died away in the daylight hours.
我整晚没睡，侧耳倾听，直到最后一声犬吠飘散在晨风里。
A "quick round" on a weekend often occupies at least half of that day's daylight hours - a reality that can be especially infuriating if, say, a family is on vacation at the time.
即便周末“速战速决”地打一场高尔夫，通常也会占用那个白天一大半的时间，这足以让一家人都勃然大怒了，如果那时候他们正好在度假的话。
Even in board daylight, with a police — designed travel route, it took three and a half hours for the bus to make it to our homes — a distance of only twenty miles.
在这个白天尽管走着由警察设计好的路线，仍然花费了3个半小时到我家。这是一段只有20英里的路程。
They will, he adds, be efficient and capable of producing a spectrum of light similar to natural daylight with an operating life of around 10,000 hours.
他还说，这些使用寿命高达大约10000小时的OLEDs将会是高效率的，且有能力创造出与自然光相类似的光谱。
They will, he adds, be efficient and capable of producing a spectrum of light similar to natural daylight with an operating life of around 10, 000 hours.
他还说，这些使用寿命高达大约10000小时的OLEDs将会是高效率的，且有能力创造出与自然光相类似的光谱。
Also, because it is partially within the Arctic Circle, the amount of daylight hours changes greatly.
此外，因为它有部分地区在北极圈里，所以白昼的时间长短变化剧烈。
This suggests that SAD is linked to the change in the number of daylight hours through the year.
这表明，可悲的是联系在一起的变化，在数量上日光小时，通过一年。
A nap is a short period of sleep, typically taken during daylight hours as an adjunct to the usual nocturnal sleep period.
午睡是一个短的睡眠，通常在白天拍摄的辅助手段通常夜间睡眠时间。
After a week of noshing on high-fat chow, the mice were more restless during daylight hours, when most mice are sleeping.
一周后高脂饮食的小鼠白天睡眠减少显得更加慌张。
Forced March: in a day of normal walking, you walk for 8 hours. You spend the rest of daylight time making and breaking camp, resting, and eating.
强行军：正常的一天你行走8小时。剩下的时间你做些休整，札营，睡觉并且吃些东西。
Coining the phrase "early to bed, early to rise," he highlighted the energy saving potential of shifting the time to maximize daylight hours.
创出“早睡，早起”口号的他，强调更动时间，善用白天时光，将有助于节能。
Coining the phrase "early to bed, early to rise," he highlighted the energy saving potential of shifting the time to maximize daylight hours.
创出“早睡，早起”口号的他，强调更动时间，善用白天时光，将有助于节能。
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