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Your friend "has her heart in the right place" if she says she is sorry, and shows great concern for how you feel.
VOA: special.2010.07.18
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More importantly, they can affect blood pressure as well, the strength of your heartbeat and the pressure that your heart generates.
尤为重要的是,这也会影响血压,心跳的强度,和心脏能够输出的压力
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Hear, O Israel! Yahweh is our God, Yahweh alone. You shall love the Lord your God with all your heart and with all your soul and with all your might. Take to heart these instructions with which I charge you this day.
以色列啊！你要听：耶和华我们神是独一的主你要尽心,尽性，尽力爱耶和华你的神,我今日所吩咐你的话都要记在心上。
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If your friend says, my heart bleeds for you, she means the opposite.
VOA: special.2010.07.18
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But instead of those signals going to your heart they go into the brain.
但这些电信号针对的不是心脏而是大脑
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One of the most famous of these sad songs is "Your Cheatin' Heart."
VOA: special.2009.11.22
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After all, if you rip out your gun, shoot me in the heart, I bleed to death, we still have a human body in front of us.
毕竟你拔出枪,击中我的心脏,我失血而亡,我还是保持着肉体的形式
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Listen to the nineteen sixties sound of "Search Your Heart."
VOA: special.2009.10.09
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He wrote once that, "The chief thing is to know your duties and our edicts by heart and not put off things until tomorrow, like his son did.
他曾经这样写道,"最要紧的事就是牢记我们的职责和法令,并且不把今天能做的事拖延到明天去做",他儿子就是这么拖沓的
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It's that you are giving it out of the bottom of your heart.'" Salvation Army spokesman George Hood says the demand for charitable services has grown substantially.
VOA: standard.2009.12.16
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It turns out the electrical potential or electricity that you can measure on the surface of the body reflects things that are happening deeper inside like the beating of your heart.
人们已经证明在体表测量得到的电势能,或者电信号,能够表征,像心跳这样,身体较深处的变化
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As it does that it changes the volume of the heart and gives the - creates the pressure that moves blood around your body, so it has that muscular system.
这使心脏的体积发生变化,产生了足以使血液流遍全身的压力,这就是心脏中有肌肉系统的原因
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One class of them is beta-blockers, they bind to beta-adrenergic receptors, which are receptors that exchange information between your nervous system and the contractile system that beats your heart and that causes the heartbeat.
一类药物是β阻断剂,它们与β肾上腺素受体结合,这种受体能够在神经系统和,控制心跳的心肌收缩系统之间传递信息,从而产生心跳
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Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.
最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜
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If your have good eyesight from the distance that you're at you can see the vessels leading out of the heart and into the lungs, and the lungs are these darker spaces within the ribcage.
如果你的视力足够好的话,你们能看到,由心脏发出血管,进入到肺部,肺是胸腔里这片比较暗的部分
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We'll talk about how your normal valves function inside your heart and how your heart couldn't work in the way that it did if it didn't have valves that were doing a very complex operation many many times a day.
我们会讨论,正常的瓣膜在心脏中如何工作,以及没有这个,每天不停完成很多复杂任务的心脏瓣膜,心脏为什么,就不能正常工作了
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As time goes on, we've developed ever more complex machines to study people and we've talked about some of these already: EKG machines, so an example of an electrical device that can be used to monitor a very elaborate function deep inside your body, the beating of your heart and the rhythm of your heart.
如今,我们已经有功能更加复杂的设备,来研究人类,比如之前说到的心电图,我们使用电子装置,对身体内部机能进行精确地监控,具体到心电图就是心跳和心率
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And it's important innovation in several different ways and we're going to talk about this whole science of building artificial organs, devices that are made out of totally synthetic components to replace the function of your natural organs, and the artificial heart is a good example of that.
在很多方向上也做出了重要的创新,我们会讲到,制造人造器官的技术原理,这些装置完全用合成材料制成,能够取代人体器官的功能,人造心脏就是一个很好的范例
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So how can cells, which have the same sort of master information DNA, in your brain, and your heart, and your kidney be so different?
那么为什么这些有同种DNA信息的细胞,在你的大脑里,你的心脏里,在你的肾里,表现的如此不同呢
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All of your cells have the same DNA, so the same genetic information, and yet cells in your brain, and cells in your heart, and cells in your kidney do very different things.
你所有的细胞都有相同的DNA,带有相同的遗传信息,尽管你大脑里的细胞,心脏上的细胞,肾里的细胞发挥着不同的功能
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