Bats have an engineering problem: how to find their way and find their prey in the absence of light.
蝙蝠们遇到了一个技术上的难题：如何在没有光线的条件下认路和捕食。
Darkness is in reality the absence of light. Light we can study, but not darkness.
黑暗其实是因为缺少光的缘故，我们可以研究光线，但无法研究黑暗。
The study found that monarch butterflies have an internal sense of direction that allowed them to get from one point to another even in the absence of light by sensing the Earth's magnetic field.
有研究发现帝王蝶有方向感，可以让他们在没有光的情况下，通过磁场感应的方式，它们能精确的从某处飞到另一个地方。
Sufferers have light and sparse scalp and body hair, a reduced ability to sweat and the congenital absence of teeth.
患上此病的人不能暴露在阳光下、头发稀少、排汗系统差、并且长有尖利的牙齿，这使得他们看起来酷似“吸血鬼”。
His trilogy of the 1960s, "Through a Glass Darkly", "Winter Light" and "the Silence", were described by him as a "metaphysical reduction" in which God's absence was unmasked.
60年代的三部曲《穿过黑暗的玻璃》、《冬日之光》和《沉默》，在他看来是“超自然消减”，揭露了上帝的缺失。
In the early 1900s scientists found that animals have circadian rhythms, too: they also are capable of maintaining a 24-hour-long activity pattern in the absence of external cues such as light.
在20世纪初，科学家们发现，动物也有昼夜节律：即使没有如光线之类的外部变化的提示，动物也能保持一个24小时的活动周期。
The aspect which death wore in that morning light was as lovely as a calm and peaceful sleep, and the gulf between life and its absence was not brought home to us.
死神在那天晨光中呈现的神态，犹如宁静酣睡一样可爱。 对于生与生的缺失之间的鸿沟，我们还没有深切地感受到。
Even the somewhat irritating absence of a comma in the title may have been meant to convey his constant rush from first light to dusk.
甚至是题目中失踪的逗号，即使有些恼人，但也说明了他从早到晚总是忙个不停。
In light of the accused voluntarily and unequivocally waiving his right to be present at these proceedings, the chamber is of the view that this hearing can proceed in his absence.
鉴于被告自愿并明确表示放弃自己出席的权利，法庭认为审判可以在他缺席的情况下进行。
Black is an absence of light, so it is not in the rainbow.
黑色是光所缺乏的颜色，因此它不在彩虹里面。
And fear is nothing but absence of Light.
恐惧只是光的缺失。
Again, you're wrong Sir, darkness is the total absence of light.
再次，先生，你错了。黑暗是光的完全缺失。
These adjectives indicate the absence of light or clarity.
这些形容词表示缺乏光线或清晰度。
Complete or almost complete absence of light; darkness.
漆黑完全或几乎完全没有光亮；黑暗。
Black is the absence of light or color, in other words, white light is completely absorbed by the darkness and no colors are reflected back.
黑色是缺乏光线或颜色，换句话说，白色光线被黑暗全部吸收并且没有任何颜色被反射回来。
Darkness is the absence of light.
黑暗就是没有光亮。
Since the day a long time ago, fell in love with your day, your smile every entry I have firmly in mind, then, after, in the absence of your evening, the aftertaste of light.
自从很久以前的那一天，爱上你的那一天起，你的每一个微笑我都牢牢的记在心里，从此后，在没有你的夜晚，轻轻的回味着。
The human retina contains three types of cone cells that absorb light in different parts of the spectrum. ABsence of these types causes colour Blindness to red, green, and Blue.
人类视网膜中有三种锥体细胞能吸收光谱不同部分的光，缺少其中一或多种细胞便会造成色盲。
The light or the absence of inhibitory effect of other plant exogenous growth substances to Botritis cinerea was the main factor that they didn't control tomato gray mould disease steadily.
其他外源植物生长物质对灰霉病菌抑菌活性差或没有抑菌活性因而对番茄灰霉病的控制作用不稳定。
黑暗就是缺乏光线。
The sun can be said to be the source of nearly all energy, and in the absence of the sun's heat and light, no life could exist on earth.
可以说太阳是所有能量的来源。因此，倘若没有太阳的光和热，地球上就不可能有生命。
These eyes do not see what you and I see. Behind these eyes one finds only blackness, they absence of light, these are of a psychopath.
这些眼睛看不到你和我正在看到的一切，在它们背后你只能找到黑暗，因为它们惧怕亮光……这就是一位精神病患的眼睛。
The dye and UV-absorber uptake and the light and sublimation fastness of the dyed samples were determined and compared to those obtained for the corresponding samples dyed in absence of a UV-absorber.
研究中对染料的紫外线吸收剂的吸收的染色样品的升华牢度进行了测定和比较，以便获得相应的色织样品所缺乏的紫外线吸收剂。
In addition to making these measurements in the absence of any light sources, the PV cell should also be properly shielded and low-noise cables used in the test setup.
除了在没有任何光源的情况下进行这些测量之外，我们还应该对PV电池进行正确地屏蔽，并在测试配置中使用低噪声线缆。
With the case of the absence of internal controls to light, and the relevant policies and regulations were introduced, making the data of disclosure on the internal control easily accessible.
随着内部控制缺位的案例不断曝光，相关的政策法规相继出台，使得关于内部控制披露的数据易于获得。
With the case of the absence of internal controls to light, and the relevant policies and regulations were introduced, making the data of disclosure on the internal control easily accessible.
随着内部控制缺位的案例不断曝光，相关的政策法规相继出台，使得关于内部控制披露的数据易于获得。
应用推荐