NPR 2008-04-22

In her last chance to speak to the voters of Pennsylvania before tomorrow's primary, Senator Hillary Clinton went on a cross-state campaign swing today. Mark Nootbaar of member station WDUQ has more from Pittsburgh. Senator Clinton spoke about makin

SSS 2009-05-20

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

英语听力：自然百科 马蹄蟹与人类（一）

As the water is warm and tides grow high, horseshoe crabs leave the ocean floor and make their way to the shores and estuaries of the Atlantic Coast. Here in the sheltered waters of South Carolina, they suddenly emerge by the thousands in the spawnin

英文书摘精选 How Does The Body Make Blood?人体如何造血?

If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. 如果血液不能在我们身体内循环，为人体输送氧气和营养，

国家地理-2008-05-05 Vampire Bats 恐怖的吸血蝙蝠

Here are some happy vampire bats. What's causing all this giddiness? A great, big, fat meal has arrived. You can practically hear these bats going Oh, boy! Oh, boy! Better yet, the victim is asleep. This is gonna be like, well, taking blood from a s

专业术语—口腔生理学术语H1(英文详解)

Habitat - a location which has a suitable environment for an organism to live in. Caves are natural habitats for bats, trees for birds; oral surfaces and crevices, for some bacteria. Haemostasis - the

专业术语—口腔生理学术语B(英文详解)

Basal lamina - a term used to describe the different layers which make up the basement membrane. These different layers of the basement membrane, the lamina lucida and lamina densa are only visible wi

专业术语—口腔生理学术语T1(英文详解)

Template - an outline form which can be used to make many identical copies without being used itself. Metal templates can be used placed over a piece of clothing material, which is then cut according

专业术语—口腔生理学术语V(英文详解)

Vaccine - a planned exposure to an antigen in order that memory B lymphocytes can retain a memory for it. In practice the organism carrying the antigen is either killed or modified so that it does not

Diet Rich in Tomatoes May Reduce Stroke Risk

Diet Rich in Tomatoes May Reduce Stroke Risk A long-term study has found that people who routinely eat a lot of tomatoes are less likely to suffer strokes. Tomatoes are rich in lycopene, an antioxidant that scientists believe reduces the risk of hear

SSS 2011-11-03

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say what doesn't kill you makes you stronger. But sometimes what makes you stronger can kill you, at least when it comes to blood clotting. Because

英文药品说明书的写法（八）

注意事项也是药品说明书中的重要内容之一。为了安全用药，厂商在本项中特别强调应注意的事项，其中主要包括：正确的剂量和用法，超过剂量时的应急措施，用药对象，可能出现的较严重

中英双语新闻——24 Why not brushing your teeth can kill you

Now a Bristol University dental scientist has discovered that a common bacteria responsible for tooth decay and gum disease can break out into the bloodstream and help blood clots to form. 最近英国布里斯托尔大学科学家经研究发现，一

英语听力：自然百科 Vampire Bats 恐怖的吸血蝙蝠

Here are some happy vampire bats. What's causing all this giddiness? A great, big, fat meal has arrived. You can practically hear these bats going Oh, boy! Oh, boy! Better yet, the victim is asleep. This is gonna be like, well, taking blood from a sl

【英语时差8,16】皇家瘟疫

The Royal Plague Its good to be king, as the saying goes. But sometimes having a royal lineage isnt so great. Take the male descendants of Queen Victoria, who was the reigning monarch of the United Kingdom during most of the 19th century. Victorias s

Gene Therapy to Treat Hemophilia

64 基因疗法治疗血友病疗效有限 DATE=6-28-01 TITLE=SCIENCE REPORT - Gene Therapy to Treat Hemophilia BYLINE=Nancy Steinbach (Start at 01'02

医学文摘

42 医学文摘 DATE=7-3-01 TITLE=SCIENCE IN THE NEWS #2131 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Special English prog

U.S. FDA approves new drug to treat leukemia

WASHINGTON, Nov. 18 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved Erwinaze to treat patients with acute lymphoblastic leukemia (ALL), who have developed an allergy to E. coli derived asparaginase and pegapargase chemother

吃纳豆的11个理由

Never heard of natto? Dont worry, it hasnt taken off in America the way sushi or sake have! Even so, this fermented soybean dish, traditionally eaten as a breakfast food in Japan for over 1,000 years, has a lot of health benefits to offer. Here are a

【英语时差8,16】皇室疾病-上

Its good to be king, as the saying goes. But sometimes having a royal lineage isnt so great. Take the male descendants of Queen Victoria, who was the reigning monarch of the United Kingdom during most of the 19th century. Victorias son, Leopold, died