单词：contrast agents of cerebral vessel
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Improve Your Writing with Contrast and Concession For VOA Learning English, this is Everyday Grammar. Today we are going to talk about words that connect opposing ideas. We call these ideas contrast or concession. Some of these adverbs are but, altho
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NB: This is not a word for word transcript Yvonne: Hello, I'm Yvonne Archer and this is 6 Minute English. Today, I've been joined by Alice. Hi Alice! Alice: Hi Yvonne! Yvonne: Now Alice, everyone seems to have something to say about estate agents or
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This is the VOA Special English Health Report. A stroke is a loss of blood flow in the brain. There are two kinds of stroke. One is an ischemic stroke. It happens when a blood vessel in the brain gets blocked. The other kind is called a hemorrhagic,
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Agents Say JFK Assassination Transformed Secret Service DALLAS The assassination of President John F. Kennedy on November 22, 1963, stunned the world. President Kennedys death put the Secret Service on the defensive. It's the organization that protec
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Children at Risk Despite Malaria Treatment Repeated bouts of malaria may leave children vulnerable to other deadly infections and even cardiovascular disease later in life. Now, a new study may explain why. About 200 children in Blantyre, Malawi, too
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