During an infusion, stem cells enter the body through a vein leading back to the heart.
VOA: special.2011.02.01
And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.
实验者回到实验室,带着录音设备,随机地,他加速了心跳的录音,然后又慢下来。
The sound of the guns carries inland, into the heart of England, and as it does it carries back also in time to Camelot and to "starlit Stonehenge."
枪声传入内陆,直接进入英格兰的心脏地区,在它这样做的同时它同时也及时传回,亚瑟王的宫殿还有星光闪耀的巨石阵“
But he also gave me a heart, so I would look back."
VOA: special.2010.07.05
We'll come back to this in our example in the cardiovascular system when we're talking about the heart and we'll talk about how to measure the collective group of action potentials using EKG's.
这个我们回头再谈,等到我们在心血管系统的例子中,说到心脏时再说,我们会谈到如何通过,心电图测量群体动作电位
As he was dying of tuberculosis at the age of 39, he asked that his heart be removed and taken back to his homeland.
VOA: standard.2010.03.04
You could take weights on people measured over a period of many years and look at the variability over time in weight and then link it to things like heart disease and cancer, and I'll come back later and talk about the results of that particular study.
我们还可以得到人们很长一段时间里,每年的体重数据,观察体重随着时间变化的变动,并将观察结果与心脏疾病和癌症联系起来,我等一下会告诉大家这项研究的结果
"The idea of rolling back the state is really at the heart of the Cameron agenda."
VOA: standard.2010.05.13
We're going to come back and talk about the action potential a little bit more when we talk about how the heart works, because the heart when its contracting, the muscle cells also use action potentials to initiate contraction.
我们讲心脏工作原理时,会回头再多讨论一点动作电位,因为心脏收缩时,肌肉细胞也利用动作电位来启动收缩
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