单词:cutaneous nerve nutritional vessel pedicle island skin flap
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Hospital emergency rooms treat injured fingers all the time. Without treatment, a bad cut can lead to permanent damage. But how should a person know when a bleeding cut is serious enough to require medical attention? We asked Dr. Martin Brown, chairm
Pre-Listening Vocabulary dominant: strong; used most often keratin: a fibrous protein found in hair, nails, and the outer layer of skin puberty: the growth period during which a childs body reaches sexual maturity nail-biting: causing anxiety or nerv
Alice: Hello and welcome to 6 Minute English from BBC Learning English: well be talking about a story in the news and learning some vocabulary along the way. Im Alice and joining me today is Neil. Welcome, Neil. Neil: Hi there Alice. Alice: Now, Neil
But had any man in England met such a man as I was, it must either have frightened him or raised a great deal of laughter; 在英国,任何人看到我的样子,一定被吓着或者被逗得开怀大笑; and, as I frequently stood still to loo
this is Scientific American's 60 seconds' Science, i am Karan Hawking. This will just take a minute. Secret feeling chilly? Well, they may be a solution. Because researcher has generated genetic engineering mice: the kent field the cord. They worked
Broadcast: April 16, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say the vaccine medicine that can prevent the disease chicken pox may also provide prot