Go back in history and this was part of our survival repertoire; like most animals, we drew on our sense of smell, when visual information was scarce, to single out prey.
回顾历史，这是我们生存技能的一部分；像大多数动物一样，当视觉信息匮乏时，我们利用嗅觉来识别猎物。
This selector is used to single out a particular element; IDs should be unique within a document.
这个选择符用于选择出特定的单一元素；id在一个文档中应该是惟一的。
Trying to single out financiers from entrepreneurs is a fool's errand: you will end up hurting both.
试图从企业家中挑选出金融家不愚蠢的：最终会两败俱伤。
As to the latter, the answer is No; as to the former, it would be hard to single out one poem in particular.
对于后者，答案是否定的；对于前者，的确很难挑出一首最特别的。
To single out smoking in movies as THE cause of youth smoking initiation for a large percentage of kids is ridiculous.
那些认为从电影THE中挑出抽烟镜头会导致大多数孩子受到吸烟启蒙的想法是荒谬的。
There are good songs released almost on a weekly basis, and I really don't think it is fair to single out any particular one.
有很多好作品仅仅发行了一周而已，我真觉得现在就挑一首特别的出来还不太公平。
Since 2000 we have exposed about 700 cases of scientific fraud, and it will be difficult to single out the most important one.
自2000年以来我们已揭露了大约700起科研造假，很难从中挑出一个最重要的。
If you can get that level of depth of field for that cheap in order to single out your subjects in your photos, why not go for it?
如果你发现能花这么少的钱来取得这么浅的景深——足以把你的对象在相片中突出，为什么不马上配备一个呢。
Closely coordinated movement has the advantage that predators find it more difficult to single out a single target for their prey.
相协调的优点是食肉动物的运动，觉得很难挑出单个目标为猎物。
I want merely to single out at this point the word "birth" and to play on words: it was the fact of living that assured his innocence.
这里，我仅仅想挑出“出生”一词，并借题发挥一下：正是活着这一事实证明了他的无辜。
In order to improve the image contrast and to single out the desirable signals in a coherent image enhancement system, a polarizing filter was used.
为了在相干象增强系统中提高象的对比度，突出所需用的信号，采用了偏振滤波器。
Toyota had "not been able to single out or verify any other cause" for the unintended acceleration, the company said when the floor-mat recall was made.
在因车垫问题而宣布召回的时候，丰田称，它还没有指出或确定非目地性加速的其他原因。
Pinpointing exactly which compounds hae an effect is difficult, lots of blood is needed to be able to single out and test enough of each compound found.
困难的是明确哪种化合物有效，需要筛选大量血液，并对找到的每个化合物进行充分测试。
Pinpointing exactly which compounds have an effect is difficult, lots of blood is needed to be able to single out and test enough of each compound found.
困难的是明确哪种化合物有效，需要筛选大量血液，并对找到的每个化合物进行充分测试。
Go back in history and this was part of our survival repertoirel like most animals, we drew on our sense of smell, when visual information was scarce, to single out prey.
回顾历史，这就是我们生存的技能；和大多数动物一样，在视觉上得到的信息有限的情况下，我们凭借我们的嗅觉挑选我们的猎物。
There are so many masters in our field of endeavor, it is difficult to single out just a couple, but I'll offer my top choices anyway, based on the following selection criteria.
业界有很多的大师，从中作出选择是相当困难的，但是我将基于以下标准，提出我个人的意见。
It is not the intent of this article to single out a specific XForms implementation or widget for rich text editing, but to illustrate some real-world approaches to solving the problem.
本文的目的不是为富文本编辑挑选一个特定X Forms实现或部件，而是要举例说明解决此问题的一些实用方法。
Gates knew that what he said was impolitic; after the speech he reached Moseley at his father-in-law's home in Texas to assure him that he hadn't meant to single out the general or the Air Force.
盖茨知道他说的话不高明，演讲之后就到了莫斯利岳父在得克萨斯的家，向莫斯利保证，他不是单挑他这位将军或空军部队。
Until the moment everyone started telling me to mellow out, I had never been tense for a single moment in my life.
直到每个人开始叫我放松那一刻，我一生中还从来没有一刻紧张过。
If we send out a robot with the single instruction of fetching coffee, it will have a strong desire to secure success.
如果我们对机器人发出一个简单的指令让它“拿咖啡”，它会有强烈的意愿去完成这一任务。
The Princess unwound her long braid, pulled out a single hair and handed it to the littlest knight.
公主解开了长长的辫子，拔下一根头发交给那位最小个的骑士。
When she start to talk - just watch out! I can't get in a single word.
当她开始说话时，要小心！我一句话也插不进去。
Children experiencing these disorders find it difficult to screen out unimportant information, and focus on everything in the environment rather than attending to a single activity.
患有这些疾病的儿童会感到过滤掉不重要的信息很难，他们专注于环境中的一切，而不仅仅是某一项活动。
A few characters are used to create a single impression growing out of the theme.
有些角色用来营造主题之外的单一效果。
He builds massive sculptures out of plastic garbage, forcing viewers to re-examine their relationship to single-use plastic products.
他用塑料垃圾建造了巨大的雕塑，迫使观众重新审视他们与一次性塑料产品之间的关系。
A rider to the act sketched out an ambition to complement the single market with a single currency.
该法案的附文草拟了成立一个单一货币来补充单一市场的目标。
The asset producer must decide whether to place all the artifacts in a single asset, or to break them out into many smaller, but simpler, assets.
资产生产者必须作出决定，是将所有工件都放在一个资产里，还是将它们分解为许多小而简单的资产。
The asset producer must decide whether to place all the artifacts in a single asset, or to break them out into many smaller, but simpler, assets.
资产生产者必须作出决定，是将所有工件都放在一个资产里，还是将它们分解为许多小而简单的资产。
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