He tried it; but in the darkness the distant echoes sounded so hideously that he tried it no more.
他试过，但是在黑暗中，远处的回声听起来是那么可怕，所以他不再去试它了。
When kept in 12 hours of light and 12 hours of darkness the mice - which are nocturnal - began consuming more food when the lights were on as early as the first week.
研究人员将老鼠放在光照下12小时，黑暗中12小时。在有光照的情况下，老鼠(喜欢在夜间活动)开始摄入更多的食物，这种现象早在第一周就表现出来了。
The lights mysteriously failed, and we stumbled around in complete darkness.
灯神秘地熄灭了，我们在完全的黑暗中跌跌撞撞。
After a few minutes our eyes got used to the darkness.
几分钟后我们的眼睛就适应了黑暗。
There is also an interesting contrast between the darkness of the subject's mood and the lightness of her pink and polka dot clothes.
受试者情绪的黑暗与她的粉红色和波尔卡圆点衣服的明亮度之间也存在有趣的对比。
The lantern was far ahead, and he could not help lagging behind a little in the darkness.
灯笼在前面很远的地方，他不得不在黑暗中落在后面一点。
For instance, if a homing pigeon is to navigate with its Sun compass, its clock must be properly set by cues provided by the daylight/darkness cycle.
例如，如果一只信鸽要用它的太阳罗盘进行导航，它必须根据日光/黑暗的循环所提供的线索正确设置时间。
More recently, companies have begun to plan more affordable "suborbital" flights—briefer ventures just to the edge of space's vast darkness.
最近，一些公司已经开始计划更经济实惠的“亚轨道”飞行——在太空无际黑暗的边缘进行更短时间的冒险。
But more recently, companies have begun to plan more affordable "suborbital" flights—briefer ventures just to the edge of space's vast darkness.
但是最近，公司已经开始计划更便宜的“亚轨道”飞行，在太空无际黑暗的边缘进行更短时间的冒险。
Computer simulations by Mike Rampino, a climate modeler from New York University, show that the resulting ash cloud could have plunged the area into darkness.
纽约大学的气候模拟专家Mike Rampino 的计算机模拟显示，由此产生的火山灰云可能使该地区陷入黑暗。
At first, I couldn't see anything, only darkness, the sparkling lights of that restaurant or town.
起初，我什么也看不见，只有黑暗，餐馆或小镇的灯光在闪烁。
He rose up sighing and departed in the darkness.
他叹着气站起来，在黑暗中走了。
A hoot owl's mournful cry floated out of the encroaching darkness and Fannie tightened her grip on her mother's hand.
一声猫头鹰的哀鸣从漫涌而来的黑暗中浮出，范妮抓紧了妈妈的手。
Mary asked no more questions but waited in the darkness of her corner, keeping her eyes on the window.
玛丽没有再问什么，只是在黑暗的角落里等着，眼睛一直盯着窗户。
As soon as he touched the knocker, it became an eel and wiggled away into the darkness.
他一碰到门环，它就变成了一条鳗鱼，在黑暗中扭动着消失了。
The night lantern glowed softly in the darkness.
夜灯在黑暗中发出微弱的光。
Their shouts re-echoed through the darkness.
他们的喊声回荡在黑暗中。
The youths dispersed and melted into the darkness.
年轻人们散开了，消失在夜色中。
She groped through the darkness towards the doors.
她摸黑朝门口走去。
Parking is not allowed during the hours of darkness.
夜间禁止停放车辆。
The blackness of darkness reigned, the perfect stillness was interrupted only by occasional mutterings of distant thunder.
一片漆黑，万籁俱寂，只有远处偶尔传来隆隆的雷声打破这寂静。
It snowed the day before — giving a strange feeling at a time of year when there is virtually no darkness — but on Sunday the sun blazed across the water.
前一天下了雪——在一年中几乎没有黑暗的时候，会有一种奇怪的感觉——但周日，太阳照耀着湖面。
When at last the heavens were steady again, John and Michael found themselves alone in the darkness.
当天空终于平静下来时，约翰和迈克尔发现黑暗中只有他们两人。
"She tells me," he said, "that the pirates sighted us before the darkness came, and got Long Tom out."
“她告诉我，”他说，“天黑前海盗们就发现了我们，把大炮架起来了。”
After my friend had disappeared in the darkness, I stood and stared at the empty alley.
我的朋友消失在黑暗后，我站在原地盯着那空荡荡的小径。
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。
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