He took the food eagerly, for he had eaten nothing since dawn.
他急切地取食物，因为从黎明开始，他一直没吃东西。
He took the food eagerly, for he has eaten nothing since dawn.
他狼吞虎咽地吃了起来，因为他从天亮就没吃过东西。
They knew the move had to be made quickly, however, since dawn was only four hours away.
他们知道自己必须尽快行动，因为离日出只剩下四个小时了。
Since the dawn of human history, human beings have been asking questions like "What is the real meaning of life".
从人类历史的开端开始，人类就一直在问“生命的真正意义是什么”这样的问题。
We believe that debt will matter like it has every time since the dawn of financial history.
我们相信，债务将会像金融史开端以来的每一次那样重要。
Since the dawn of civilization, people have been curious about the age of Earth.
自从文明出现以来，人们就一直对地球的年龄感到好奇。
The economic importance of forests has been understood since the dawn of man—wood was the first fuel.
"森林的经济价值自从人类起源之初就已经被人们所认识——木材是最初的燃料。
I mean, since the dawn of man, people have been searching for the meaning of life and its creator, so what better way to do that than with a search engine?
就是说，自从人类出现，人们一直在探索生命的意义和它的创造者，因此在搜索引擎上来寻找答案，不失为一种好方法。
In cold climates, since the dawn of history, people have been killing animals and using their skin as clothing.
自历史黎明之际，寒冷的天气中，人们就开始猎杀动物，并用它们的毛皮做衣服。
Since the dawn of the commercial Web, technology has eclipsed content.
自从商业化互联网初露曙光，技术就让内容黯然失色了。
It experts might think that Software Architecture is a mature discipline that exists since the dawn of computer programming.
IT专家们可能觉得软件架构是门成熟的学科，自从计算机编程出现以来就已经存在了。
They've been around since the dawn of radio and television in some form, and everyone likes them.
他们从广播刚刚兴起，电视还在摸索的时候就在我们身边了，每个人都喜欢他们。
It is this great film's boldest stroke to let her questions float over those fearful early images of an indifferent cosmos as if she had been asking them since the dawn of time.
将她的问题放在宇宙早期可怕的混沌画面中飘荡，好像她从创世的开始就一直在发问，这是这部优秀影片最大胆的技法。
But their Numbers have dwindled since the dawn of the 20th century, with unknown consequences for ocean ecosystems and the planet's carbon cycle.
但自20世纪初以来，它们的数量已逐渐减少，随之而来的是由此对海洋生态系统和全球碳循环产生的未知后果。
Loop unrolling has been an optimization technique since the dawn of computer programming.
循环展开从计算机编程诞生开始就已经成为一种优化技术了。
People have known how to make ethanol since the dawn of civilisation, if not before.
如果不能说在人类文明开始之前人们就学会制造乙醇，那这也是人类文明刚刚出现就有的事了。
Since the dawn of mass media, newspapers, radio and television have all been used to inform and educate the public.
自从大众传媒诞生的那一刻起，报刊，广播和电视媒体就都被用来告知和教育公众。
Their experiments solved one of the great mysteries of biology, one scientists had wrestled with since the dawn of genetics.
他们的实验解决了生物学的一大谜团，这个谜团是科学家们自遗传学诞生以来一直竭力寻求解答的。
In fact, foreign foodstuffs have been readily adopted since the dawn of history.
事实上，有史以来，外国食物就已经被人们所接受的了。
Since the dawn of personal computing, the mouse has served as the link between human and machine.
自从个人电脑诞生以后，鼠标就成为人与计算机的交互途径。
Since the dawn of humanity in Africa, drums have provided the pulse of our history. They continue to help us celebrate our common humanity.
自人类在非洲起步以来，鼓就成了我们历史的脉搏，至今仍在协助我们欢庆共同的人类。
Turns out we've all been eating the wrong thing... since the dawn of civilization!
好象我们一直在吃错误的东西——自从进入了文明社会。
People have created persuasive technologies since the dawn of invention.
人们早就创造出了劝服技术。
"Since the dawn of man" is really not that long.
“自从人类出现”其实并非那么久远。
Since the dawn of electronic computers, there has been a clear division of labor between the four main functional parts of a computer.
自电子计算机诞生以来，就一直有人对计算机的4个主要功能部分进行明确的划分。
Conspiracy theories about wear-proof products (along with their close cousins, perpetual-motion machines) have existed since the dawn of industrial times.
在工业时代的早期，一些论证防磨损的产品（以及该类产品的“近亲”——永动机）的阴谋论就已经出现。
Conspiracy theories about wear-proof products (along with their close cousins, perpetual-motion machines) have existed since the dawn of industrial times.
在工业时代的早期，一些论证防磨损的产品（以及该类产品的“近亲”——永动机）的阴谋论就已经出现。
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