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They're everywhere in cells throughout your body and they are responsible for lots of the biochemistry of cell/cell interaction and signaling.
它们在身体各处的细胞中都有,并负责很多细胞间的相互作用,及信号转导的生化过程
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In Houston, as with most other cities in this country, you need a car to get around.
像在这个国家的大多数其他城市一样，在休斯敦，你需要一辆车来帮助你到各处去。
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Adrenaline is another one, produced by cells in your adrenal gland but used by cells all over your body.
肾上腺素是另一个例子,肾上腺素由肾上腺细胞分泌,但全身各处的细胞都能利用它
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If I've got a gas in a container, the pressure of the gas has to be the same everywhere in the container, otherwise it's not equilibrium.
如果把气体装进容器里，容器内各处气体的压强,应该是一样的，否则它就不是平衡的。
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So just a dot, and the dot can move around all over space.
就是一个点,这个点能在空间各处自由运动
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One of the things that has been interesting with you that I haven't always done in meditation is checking in with various parts of my body, and like really going from head to toe, which is very interesting, just being aware of any aches and pains.
一件让我感兴趣的事,是我在冥想时不经常做的,就是检查身体各处，彻底从头到脚，这一点很有趣，留意各种疼痛。
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He comments about automobiles. What he suggested is that the new invention is worthless. It's really a great line that touch our hearts. It's true that automobiles carry people flow but really humanity in society might actually be moving backwards.
他评论汽车，他表达的意思是,这个新发明是没有价值的,这真是一句触动人心的话,汽车确实载着人们去往各处,但是社会中的人性事实上却好似在倒退。
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I grew up moving around Africa and Asia.
我是在非洲和亚洲各处搬着家长大的。
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All they had were a bunch of posters all around the world with Steve's heroes.
他们所有的就是一堆世界各处粘贴的,史蒂夫的英雄的海报。
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These systems are dispersed throughout your body and their dispersal is important, and so we'll talk about that as well.
这些系统分布于人体各处,而这种分散性很重要,我们也会讲到这一点
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The pressure could not be, might not even be constant throughout the system.
很可能气体各处的压强,都不相同。
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The rest of these examples refer to receptors as I've been describing them and ligands that are soluble and can move around the body.
我接下来要讲的有关受体,以及能游走于体内各处可溶性的配体
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It refers to usually 'receptors' that are fixed in a cell, on a cell membrane, and 'ligands' which are dispersed throughout the body and free to diffuse around, and occasionally will find the cell.
受体这个词通常代表了,固定于细胞表面的分子,而配体分散于体内各处,能够自由扩散,它们偶尔会与细胞邂逅
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Its role is to move molecules around in the body so that they're available to cells everywhere within your body regardless of how close they are to your skin, and we'll talk about that.
它能将分子输送到身体各处,供体内所有的细胞使用,而无论那些细胞多么靠近体表,我们会讲到这些的
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And that's not possible in all parts of the world, not everybody has that opportunity to interact with medical professionals that often.
而这不可能在世界各处都能实现,并不是每个人都经常有机会见到医生的
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An example of that is, of course, insulin which is produced by cells of the pancreas and acts on cells all over the body.
这种信号传递的例子,就是胰脏细胞产生的胰岛素,作用于全身各处的细胞
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If you hear about signal transduction in biology, people that study signal transduction are studying just these things we talked about, how biochemical messages get transferred into cells and through cells.
如果你在生物学领域听到信号转导这个词,那么研究信号转导的人就是,在研究我刚才讲过的那些东西,生化信息如何传入细胞并传递至细胞各处
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Well, the endocrine system is a body organ system that is specialized in producing these kinds of signals that are used - that accumulate in the blood and are used by cells all over the body.
内分泌系统是一种,作用于周身各器官的系统,它专门产生这些有用的信号,这些信号在血液中聚集,全身各处的细胞都可利用
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