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The female mosquito uses its thin sucking tube to break the skin, find blood and inject the victim with a substance that keeps blood flowing.
VOA: special.2009.05.26
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Now, we're not thinking about total antibody concentration because you already have a lot of antibodies circulating within your blood and in your fluids.
现在,我们先不考虑抗体总浓度,因为你的体内已存在许多抗体,在血液以及体液中循环
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We'll talk in a minute about stem cells that are involved in generation of blood and they develop and they live in the bone marrow.
我们一会儿要说到,和血细胞再生有关的干细胞,它们发育并储存在骨髓中
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It thickens the blood around a cut to stop bleeding.
VOA: special.2010.09.14
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She wrote a very compelling argument about O'Connor's fiction not about Wise Blood in particular, but about her stories.
她针对奥克纳小说写过一篇极有说服力的文章,并不只是针对《慧血》，而是针对奥克纳的所有故事。
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Baghdad TV showed pools of blood and chunks of cinderblock from the explosion of a bomb in the Kurdish village of Sinjar,near Mosul.
VOA: standard.2009.08.29
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You can look at it with those poems in mind where Yeats imagines a new world coming into being, ushered in through the blood of the old.
你们可以回忆一下那两首诗,其中叶芝想象了一个新的世界，那从旧世界鲜血里开辟。
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That means they take a drop of blood and they look at it under a microscope, and they can confirm that this was an actual case of malaria.
VOA: standard.2010.06.17
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His typical American farmer, Farmer James, was of course a Pennsylvanian sturdy, probably had some German blood in him.
是一个典型美国农民,他是一个宾夕法尼亚人,强壮,也许还带有一些德国血统
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There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.
VOA: special.2009.09.22
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There's--in law, a "natural person" is you and I, people real flesh and blood individuals are called natural persons.
在法律上,"自然人"是指像你我这样的人,有血肉之躯的人被称作自然人
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"First off,there is the infectious disease risk because if you use human blood there's a lot of transmissible diseases.
VOA: special.2009.08.03
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The blood of sacrificial animals is assigned by God as a detergent, if you will, to cleanse the sanctuary of the impurities that are caused by the sinful deeds of the Israelites.
祭祀动物的血液被上帝指定为清洁剂，如果你想，它可以用来清除圣所中,由以色列人的罪恶行为带来的不洁。
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There is a risk that giving a patient a strong blood thinner during a stroke can cause bleeding inside the brain.
VOA: special.2009.09.22
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If we want to know your blood pressure, you put on the cuff, you've got a measure.
如果想知道你的血压,把设备压在手腕处,就得到一个测量值
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For example, a murderer might have blood or dirt on his or her hands which leaves prints on the wall.
VOA: special.2010.05.05
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One of the most obvious things about a red blood cell is it doesn't have nucleus, it has no nucleus.
红细胞最为明显的不同就是,它是无核的,它没有细胞核
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Last Friday he suffered a torn aorta, a large artery that carries blood from the heart to the body.
VOA: special.2010.12.18
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Whoever sheds the blood of a person, in exchange for that person shall his blood be shed, for God made humans in his image .
凡流人血的，他的血也必将被人所流,因为神造人都是按照自己形象造的。
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Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.
VOA: special.2009.10.20
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Having too much triaglyceride or fat in your blood, the wrong kind of fat in particular, is not considered a good thing.
你的血液里若有太多甘油三酯或其他脂肪,尤其是不良的脂肪,并不是一件好事
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The World Health Organization says passengers who sit still for four or more hours face a greater risk of developing blood clots.
VOA: special.2009.07.14
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With a thousand pains that vision's face was grained; Yet no blood reached there from the upper ground, And no guns thumped, or down the flues made moan.
惊恐中担心想象中的那些脸庞有了细纹;,前方的战场上没有血流成河，没有枪炮的轰鸣，或者向下指着的冒烟的枪口下的哀求。
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They may have a weak or damaged heart, high blood pressure or other problems of the blood system.
VOA: special.2010.07.27
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When it does your pancreas receives a signal that your blood glucose has started to go up, and it will secrete insulin.
这时你的胰腺会收到信号,你的血糖水平开始升高了,它就会分泌胰岛素
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He is a high blood pressure expert and professor at Albert Einstein College of Medicine in New York.
VOA: special.2010.03.03
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The name of the molecule isn't important, but it's a molecule that stimulates the heart to produce new blood vessels around it.
这种分子的名字无关紧要,但要知道它能刺激,在病变血管周围生成新血管
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But blood drops with long tails can tell a great deal about the direction, speed and angle of the blood's starting point.
VOA: special.2010.05.05
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It can be used given to people to who have certain kinds of anemia to stimulate blood cell production in a specific kind of way.
它能够用于那些,罹患某种贫血的人群,来以特定的方式刺激红细胞生成
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In some foods, those with a high glycemic index create a spike in blood sugar.
在一些食物中,一些血糖指数高的食物,会形成一个血糖峰值
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