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That means to be nervous about having to do something, like speaking in front of a crowd.
VOA: special.2009.06.28
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Coz I get very nervous in interviews.
因为采访中我容易紧张。
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When I started to teach after hearing about Marva Collins and deciding teaching is my calling, I knew that I had to deal with the problem-- the problem is that I am introvert, I get very nervous in front of audiences and large audiences for me is anything but five.
当我听说Marva，Collins的事迹,并决定以教书为终身职业时，我知道必须克服一个问题-,那就是我个性内性，站在听众前面我会很紧张，对我来说,超过五个人就算众多听众。
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MS symptoms can depend on where the nerve scars are in the body's central nervous system.
VOA: special.2009.01.06
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Another example is in the nervous system, patients that have Parkinson's disease have too little of a natural ligand called dopamine.
另一个例子有关神经系统,帕金森氏病的患者,缺乏一种叫做多巴胺的天然的配体
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We sometimes say that people who are restless or nervous have ants in their pants.
VOA: special.2010.05.02
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There is a nervous breakdown that actually happens right here in New Haven in one of these novels.
其中一本小说提到,就在我们所处的纽黑文发生的精神崩溃事件。
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And bad things can happen really quickly." "That is kind of the coolest thing for me, standing in the start, always being nervous.
VOA: standard.2010.02.09
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Actually he gained power in Rome mainly by military might, by kind of making the Senate nervous and winning a few battles, and that was against the law.
事实上他在罗马提升势力，是由于强大军事实力，而且赢了几场硬仗战争，让元老院感到不安，这是违反法律的。
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But the aftershocks in the region continue and residents remain nervous.
VOA: standard.2009.04.12
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It makes me nervous to look at it overlooking Machu Picchu in Peru.
光看就让我觉着紧张,眺望着秘鲁的马丘比丘山
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Sleeping sickness is spread by a parasite that infects the central nervous system and,if left untreated, moves to the spinal column and brain, resulting in mental confusion and eventual death.
VOA: standard.2010.04.05
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It varies in its structure among cells of the nervous system but all synapses have some properties in common.
突触结构因神经系统细胞不同而不同,但突触都有某些共同属性
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"He will also have to reassure the Poles and the Czechs who I think are feeling a little nervous as to whether they are deemed bargaining chips and might be traded away in some efforts with the Russians.
VOA: standard.2009.07.15
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We're going to take these general topics and talk about how they work in the nervous system and the immune system next time.
在下节课我会讲这些内容以及,配体-受体系统在神经系统和,免疫系统中的作用原理
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Pelosi has faced opposition from fiscally-conservative Democrats still nervous about the longer-term cost of the legislation,and opposition from some her in party who assert that language in the measure does not go far enough to ensure a continuing ban on the use of federal funds for abortion.
VOA: standard.2010.03.19
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Again, in the context of a specific tissue site, in this case it's the nervous system.
当然又是放在某种组织当中来说,这次是在神经系统
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If you look throughout the nervous system you would find cells that look different in different regions, because of where they're situated in the brain.
如果你仔细检视神经系统,你会发现不同部位的神经细胞,看起来不一样,这取决于它们在大脑中所处的位置
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That was the point I was trying to illustrate in the nervous system.
这才是我在讲解神经系统时,想极力说明的问题
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The synapse is just this anatomical region of contact between two adjacent cells in the nervous system.
突触是解剖学上,神经系统相邻两细胞的连接区域
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They're small molecules that - whose principal function in the body is to carry signals from one cell in the nervous system to another.
它们都是小分子,在体内主要功能是在,神经系统内将信号,从一个细胞传导到另一个细胞
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I'm using it just to make the point, which you already know about; that the nervous system is complex in it performs a complex set of functions.
我想通过这张图片阐述一些,你们已经知道的知识,即神经系统是一个,功能复杂的复合体
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The nervous system does the same thing in a different way.
神经系统也传递信号,但原理有所不同
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That's in the immune system and in the nervous system.
这两个系统就是免疫系统和神经系统
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In the nervous system it doesn't work that way.
在神经系统中并不是这样
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So one way that neurons, in particular, are able to communicate with other cells in the nervous system, share information, integrate information, decide what to do next is that they are physically connected to other different cells.
所以神经细胞之所以能够,与神经系统中其他细胞通讯,分享信息,整合信息,从而决定下一步该做什么,是由于不同细胞间,是彼此连接在一起的
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I'm going to talk about - take sort of the general concepts that we talked about last time and talk about how they apply in two physiological systems, the nervous system first and then the immune system.
我将要谈到几个基本的概念,我上节课已经讲过一些了,再讲讲这些概念在两个生理系统中的应用,首先是神经系统然后是免疫系统
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Your stomach is a very complex organ that has a muscle layer, it has an epithelial layer which is the interface with food that comes in, and it also has a nervous system, so does the heart.
你的胃是一个非常复杂的器官,它拥有一个肌肉层,有一个与摄入的食物,相接触的表皮层,也有一套神经系统,心脏也有
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The same thing with these cells here, as these cells undergo continual divisions, they're changing in ways that make them mature, that make them more like the mature cells of the nervous system, for example, if that's where they end up being but they're losing potential as they go through that differentiation process.
细胞也是这样,在连续分裂的过程中,它们愈发成熟,比如说,变得越来越像,神经系统细胞,如果它们最终将构成神经系统的话,那它们在分化的过程中,就失去了许多潜能
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So this cell, wherever it's setting, wherever it is positioned within the nervous system let's say in the cortex somewhere or the outside surface of the brain is able to communicate with a region of the brain that's in this direction, a region in this direction, a region in this direction, a region in this direction.
所以这个细胞 无论它在何处,无论它在神经系统中安身何处,就比方说它位于大脑皮层上吧,即位于大脑外表面上的某处,它可以同,这一方向上的脑域进行交流,也可以是这个方向,也可以是这个方向,也可以是这个方向
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