听电影学英语-足球尤物 14

[00:29.84]...刮脸 ...shave. [00:32.72]好 OK. [00:35.88]那个，过得很愉快，我们以后再见 Well, this has been lovely. Lets do it again sometime. [00:40.00]- 什么？ - 很快，再见 - What? - Soon. Bye. [00:46.64]那个... So... [00:

The Human Body: Life Story 生命物语-1

There is one thing that everyone on earth has in common. We all live, eat and breathe within the human body. For two years I’ve been exploring this unique dwelling place. I want to show you what I'v

VOA慢速英语2011--Doctors Lack Many Ways to Treat Radiatio

This is the VOA Special English Health Report. Countries across Asia and beyond are reporting small amounts of radiation from the disabled nuclear reactors in Japan. But officials say these levels are not a threat to public health. On Tuesday, Chines

US Researchers Discover New Breast Cancer Gene

Broadcast: Jan 21, 2003 U.S. researchers have discovered another breast cancer gene that may provide a new point of attack against the disease. The 1) molecule is common to many types of breast cancer

英伦广角 深吻传递千万细菌

A passionate kiss shares much more than intimacy. A single 10-second smooch can transfer tens of millions of bacteria from one partner to the other. Thats the finding from a study in the journal Microbiome. [Remco Kort et al, Shaping the oral microbi

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M2(英文详解)

Microbiology - the study of the microscopic forms of life. Microfilaments - are the smallest filaments of the cytoskeleton. The filaments are made of hundreds of actin molecules, stacked in a line. Th

专业术语—口腔生理学术语P1(英文详解)

Paracrine - cell messengers also called cytokines which are locally acting, produced by neighbouring cells or the extracellular matrix, as distinct from as distinct from endochrine or hormonal messeng

专业术语—口腔生理学术语P2(英文详解)

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

专业术语—口腔生理学术语P3(英文详解)

Planktonic - a form of life style in which an organisms floats freely in a fluid without significant attachment or association with other living forms. Plaque is a film of bacteria in a matrix of sali

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

2005年NPR美国国家公共电台九月-Scientists: Male Chromosome Won't Lead to

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

VOA慢速英语2010年-Health Report - Study Finds No Reason

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

VOA标准英语2011--New Malaria Vaccine Passes Safety Test

New Malaria Vaccine Passes Safety Test The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading. Most malaria vaccines

The Function of Tears

According to Israeli scientists, tearful women are a turnoff to men. But how do women feel about men who cry? Researchers are soon to begin testing how women react to chemicals contained in the tears of men. Our reporter Li Dong has the details. Natu

【英语语言学习】与癌症对抗

LINDA WERTHEIMER, HOST: In Nashville this weekend, there's an exhibition of masks, not the kind that are used to hide, disguise or play dress-up. These have been worn by people with head or neck cancer. The plastic and mesh masks are used during radi

VOA标准英语2009年-Scientists Seek Better Treatment For Dengu

By Greg Flakus San Antonio, Texas 13 October 2009 Dengue carrying mosquitos According to the World Health Organization, there are around 50 million cases of dengue fever around the world every year. About two and a half billion people, two fifths of

科学美国人60秒 SSS 唾液蛋白可能抑制肠道无序状态

Saliva Protein Might Inhibit Intestinal Anarchy 唾液蛋白可能抑制肠道无序状态 Every day, you produce one to two liters of spit. It kick-starts digestion and helps you swallow. And it helps prevent bacterial infection in your mouth. 每天，

这些健康新知识 你了解多少

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种