科学美国人60秒 SSS Weakest Piglets May Sneak Help from Strongest Siblings

Human parents usually have one or sometimes two offspring at a time, and when babies get delivered we pour all our energy into child rearing. But other animals raise lots of babies at once. And the weaker individuals can be at a big disadvantage. If

6医学专业英语--解剖学词汇--女性生殖

第六章 女性生殖系统 Chapter 6 Female Reproductive System areola of breast 乳晕 abdominal orifce of uterine tube 输卵管腹腔口 anal region 肛区 ampulla of uterine tube 输卵管壶腹 anococcygeal ligament 肛尾韧带 areolar gland 乳晕腺 axillary process 腋

历史英雄名人演讲 第6期:作家的责任(2)

Until he does so, he labors under a curse. He writes not of love but of lust, of defeats in which nobody loses anything of value, of victories without hope and, worst of all, without pity or compassion. 如果创作者不能做到这一点，那么就永

神探夏洛克第三季第一集06

神探夏洛克第三季第一集_06 Mr Summerson. 下一个是萨默森先生 Right. Undescended testicle. 好 隐睾症 Right. 好 Sherlock? Hmm? 夏洛克? 嗯? Talk to John. 再跟约翰说说 I've tried talking to him. He made his position quite

SSS 2009-03-17

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

SSS 2009-01-02

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

新托福阅读模拟试题

Hormones in the Body Up to the beginning of the twentieth century, the nervous system was thought to control all communication within the body and the resulting integration of behavior. Scientists had determined that nerves ran, essentially, on elect

VOA慢速英语 2008 1119a

This is the VOA Special English Health Report. Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose. Experts say it protects and cleans the ear. It traps dirt and other

VOA慢速英语 2007 0523a

This is the VOA Special English Health Report. Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose. Experts say it protects and cleans the ear. It traps dirt and other

TED演讲:压力会造成青春痘吗(2)

The hypothalamus, the master controller of your hormones, releases something called corticotropin-releasing hormone. 下视丘是控制荷尔蒙的主宰，它会释放一种叫促肾上腺皮质释放素的物质。 This triggers the pituitary gland

TED演讲:我们为何哭泣(1)

Our story is about a girl named Iris. 我们的故事是关于虹膜女孩的。 Iris is very sensitive. So much that she is always in tears. 虹膜很敏感，以至于总是以泪洗面。 She cries when she's sad, when she's happy, and even tears

身体六大部位暴露你的年龄

We all try to strike that balance between aging gracefully -- and not looking as though we're older than we really are. With age, your skin thins and grows less elastic. As a result, wrinkles, age spots and skin tags become more common. Generally spe

VOA慢速英语20060503b

HEALTH REPORT - Midwestern U.S. Fights a Mumps OutbreakBy Cynthia Kirk Broadcast: Wednesday, May 03, 2006 I'm Steve Ember with the VOA Special English Health Report. States in the American Midwest are

狗狗的鼻子为什么总是湿的？

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的？ Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来，人类和狗狗都有十分特殊的关系，相互喜爱，相

Hoglands

BBC Learning English People and Places Hoglands Amber:Hello, Im Amber and youre listening to bbclearningenglish.com In People and Places today, we meet Mary Moore, daughter of the renowned British artist and sculptor, Henry Moore (who died in 1986).

人体为什么会出臭汗?

What's sweat? 什么是汗水？ Your body works best when its temperature is about 37? Celsius. When your body gets hotter than that, your brain doesn't like it it wants your body to stay cool. So the part of your brain that controls temperature, ca

WHO Warns Against Self-Medication as Antidote to Radiation

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

TED演讲:出身决定命运?(2)

Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前，我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩，也被当作男孩来养 had a

保持头发健康的最佳食物

It takes more than shampoo and conditioner to maintain the charm of shiny and manageable hair. See what you should eat to keep those tresses healthy, alluring and strong. 为了维持有光泽且易打理的头发，仅仅用洗发水和护发素是不

英语美文：人生如诗

I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay. It begins with innocent childhood, followed by awkward adolescence trying awkwardly to adapt its