单词：blood components
单词：blood components 相关文章
There's a disturbing side to the diamond trade--- the traffic of conflict diamonds, otherwise known as blood diamonds. This is Freetown, the capital of Sierra Leone on the West African coast, a country still emerging from ten years of war. During tha
国家地理2007年
The Science Of The Siesta When you go back to work or class after lunch, why is it so hard to stay awake? Although we get energy from food, we also use lots of energy to digest it. Your energy use increases 25-50% as you digest a meal. With all that
英语听力文摘 English Digest
Bella: What's your blood type, Luke? Luke: It's A, I think. Why do you ask? Bella: Well, mine's B. Luke: So? Bella: They say people with A blood type get along very well with those with B blood type. Luke: Really? 你是什么血型? 贝拉：卢克，
赖世雄初级美国英语
I hate the sight of blood. Looking at it makes me go all weak at the knees. I cant even look at my own blood. I dont know why. The thing I hate most is giving blood for a medical check. I fainted once after I saw my blood in a small bottle. If I have
纯正英语一分钟
When you go back to work or class after lunch, why is it so hard to stay awake? 当我们用完午餐回去工作或上课时，为什么很难保持清醒呢？ Although we get energy from food, we also use lots of energy to digest it. Your energy u
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Imagine that youre an insect, and that youve fallen ill because some bacteria or parasites have invaded your body. If you want to make it to a ripe old bug age, your body will need to fight off these invaders. 想象一下，假如你是一只小昆虫
初学者听力文摘精选
Millions of people are alive today because they received the blood given by another person. June 14 is World Blood Donor Day. This is the day on which we can say thank you to those who give blood. Every country raises awareness of the importance of g
世界节假日博览
How Insects Fight Bacteria And Parasites Imagine that youre an insect, and that youve fallen ill because some bacteria or parasites have invaded your body. If you want to make it to a ripe old bug age, your body will need to fight off these invaders.
英语听力文摘 English Digest
The Science Of The Siesta When you go back to work or class after lunch, why is it so hard to stay awake? Although we get energy from food, we also use lots of energy to digest it. Your energy use increases 25-50% as you digest a meal. With all that
英语听力文摘 English Digest
Broadcast: May 7, 2003 By Nancy Steinbach This is the VOA Special English Health Report. People who travel on long trips should know about a condition that can develop deep inside the legs. This condi
VOA2003（上）-健康资讯
大家都知道人的正常体温是摄氏37度。可是，你们可知道，在不同的情绪下，人血的温度可能变得滚烫，或者变得冰冷。这当然是不可能的，只是形像化的
美国习惯用语
今天我们要讲的两个习惯用语都和我们身体里的血有关。
美国习惯用语
STEVE INSKEEP, HOST: Medical researchers are hoping that a smartphone can help to prevent Type 2 diabetes. A program that helps people is delivered by phone. And NPR's Allison Aubrey reports on how it works. ALLISON AUBREY, BYLINE: Sometimes a good m
2018年NPR美国国家公共电台3月
WASHINGTON, March 17 (Xinhua) -- The eighth-ranked American tennis star Venus Williams has pull out of next week's Miami Masters with an abdominal（腹部的） injury, organizers confirmed on Thursday. I am very sorry to not be playing, said Venus
英语新闻
WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy. HEMACORD is indicated for use in hematopoietic stem cell transplantation pro
英语新闻
The World Health Organization calls tobacco the leading cause of preventable death in the world. In December, the WHO launched a campaign against cigarette smoking in Africa, saying a rapidly growing population is creating larger and more accessible
VOA标准英语2010年(三月)
金属:Impious - Bloodcraft 相关介绍 ：来自瑞典的Impious为我们带来的是传统的瑞典哥德堡之声，如今搞这种音乐的旋死乐队并不多了，更为可贵的是，他们的音乐里有很浓的激流金属味。印象里M
英文摇滚歌曲
Science and technology 科学技术 Surviving strokes 挺过中风 Living on 继续活着 Why some cells survive strokes while others don't 为什么有些细胞能幸免于中风，而另一些则不能 WHEN dealing with a strokea loss of blood supp
经济学人科技系列
The vampire is the stuff of the great horror stories. However, a recent textbook by geneticist John Jenkins suggests that Bram Stokers legend of the vampire, Dracula, may have had its basis in a very real disease that prevents some people from gettin
英语时差8，16