In laboratories, healthy adult human brain neurons typically live no more than a few hours, making extensive research impossible.
在实验室里，健康的成年人大脑神经元的寿命通常不超过几个小时，因此不可能被广泛的研究。
Do you, for instance, feel that too much is being expected of you, and yet find it impossible to say no?
比如，你是否觉得别人对你的期望太高，但你又无法拒绝？
No man has ever set foot on that rocky island; it's impossible to land there.
没人涉足那个岩岛，不可能在那儿上岸。
Examining the evolution of one protein, a team of scientists declares the answer is no, saying new mutations make it practically impossible for evolution to reverse direction.
通过研究一种蛋白质的进化历程，一个科研小组声明：答案是不行！新的突变是不可能使进化朝向逆转方向的。
I found it impossible to gain a toehold in academia: no one wanted my specialism and my first degree was in a different subject.
我发现要在学术界立足几乎不可能：没有人认同我的专长，因为我的第一学位是另一个科目。
This usually indicates some internal problem with the provider and renders authentication impossible, no further request must be send in this authentication transaction.
这通常表示提供者内部出现了某种问题，不可能执行身份验证，在这个身份验证事务中不必发送新请求。
Look no further than the Masked Magician who will present the 'spoilers' - the trade secrets behind these seemingly impossible magic feats!
扮演“揭秘者”的蒙面魔术师洞若观火——那都是看似不可能的魔术奇迹背后的商业秘密！
It's no surprise that, in those circumstances, building a national team with a common purpose is all but impossible.
所以，在这种环境下，不可能建立一支具有共同目标的国家队就毫不奇怪了。
Through configuration of a single cell, there is no way to guarantee that such comprise is impossible.
通过单个计算单元的配置，不可能保证不会出现此类破坏。
The answer is no, because it's impossible to be sure that your reference frame is without any accelerations.
答案是否定的，因为我们不能将其确定下来,我们选用的参考系是否有加速度存在。
In this type of situation, it's impossible to calculate the outcome in advance, no matter how much time and effort you put into it.
在这种情况下，无论你花多少时间多少精力，预先计算出结果是不可能的。
Importantly, the research offers almost no clue about the relative risks of individual dyes, making specific regulatory actions against, say, Green No. 3 or Yellow No. 6 almost impossible.
重要的是，这项研究基本上没有提供关于个别色素的相对危险的信息，这使得要对绿色3号或黄色6号采取任何具体的管理行动几乎是不可能。
Of course we could solve the problems of today if we reverted to a hunter-gatherer lifestyle, but global populations and changed circumstances make that impossible. There is no simple solution.
如果我们恢复捕猎-采集的生活方式，固然可以解决当今的问题，但是全球人口数量和业已改变的环境让这种方式的实施化为泡影，所以，这个问题根本无法轻轻松松被解决。
No one can deny the basic fact that it is impossible for average workers to master those high-technology skills easily.
没有人能否认这一基本事实：对于一般工人来讲，轻松掌握这些技术是不可能的。
In 1959, physicist Richard Feynman bet $1000 that it was impossible to build a motor no bigger than 1/64 of an inch on each side.
1959年，物理学家RichardFeynman打赌1000美元，预言不可能有人制造出边长不超过六十四分之一英尺的马达。
Note that there's no need to run mkfs.tmpfs; in fact, it's impossible, as no such command exists.
注意，不需运行mkfs . tmpfs；事实上，那是不可能的，因为没有这样的命令存在。
Taking the first step for some people forgiveness feels impossible because they have no idea how to go about it.
迈出第一步对某些人来说，原谅他人似乎是不可能的，因为他们不知道如何原谅他人。
Label: the goal of meditation is not to have no thoughts (that is impossible) but to not interact with the thoughts that occur.
标记：冥想的目的不是完全没有想法(这是不可能的)，而是不被冒出来的想法所影响。
Celery has no protective skin, which makes it almost impossible to wash off the chemicals that are used on conventional crops.
芹菜没有作为保护层的表皮，这使得它几乎不可能洗刷掉用在常规的作物上的化学物质。
All the new research says is that life on such worlds can no longer be considered impossible.
所有的新研究表明，这样世界上的生命不能被认为是不可能的了。
However, in an implementation scenario, the alternative sequential paths do no correctly capture the behavior to implement, which makes it impossible to generate meaningful BPEL out of these models.
不过，在一个实现场景中，可选的后续路径不能正确地捕获要实现的行为，这样就无法根据模型生成有意义的BPEL了。
There are no witnesses, and it is a nearly impossible task to identify the perpetrators, he said.
他说，没有目击者，要查明肇事者是一个几乎不可能完成的任务。
It is practically impossible to prevent at least some bugs getting into food in the field, no matter how stringent the hygiene rules.
无论多么严格的卫生规定，事实上都不可能阻止至少是一些病菌进入田间的食品。
There is no tracking, so it is impossible to know what state a process is in.
它不能进行跟踪，因此不可能知道流程所处的状态。
Make sure you do not create impossible setups where you have no ability to change things save for a complete reinstall.
确保你没有创建不可用的安装，因为你没有能力更改为完整的重新安装保存相应的东西。
Make sure you do not create impossible setups where you have no ability to change things save for a complete reinstall.
确保你没有创建不可用的安装，因为你没有能力更改为完整的重新安装保存相应的东西。
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