滤层；过滤层，渗滤层；疏水层

EXPLORATIONS - Fuel Cell Cars

EXPLORATIONS -February 27, 2002: Fuel Cell Cars By Mario Ritter VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell a

发表于:2019-01-02 / 阅读(68) / 评论(0)

Explorations

SCIENCE IN THE NEWS - Ginkgo as Memory Aid Disputed / New Fi

SCIENCE IN THE NEWS - September 17, 2002: Ginkgo as Memory Aid Disputed / New Findings About Deadly Skin Cancer / Hair and Sex Lives of Lions VOICE ONE: This is Sarah Long. VOICE TWO: And this is Stev

发表于:2019-01-07 / 阅读(47) / 评论(0)

科技之光

2006年VOA标准英语-Australian Stem Cell Discovery Could Help

By Claudia Blume Hong Kong 05 January 2006 Scientists in Australia have discovered a stem cell that is expected to provide clues about how breast cancer develops, and how cancer cells evade current th

发表于:2019-01-11 / 阅读(96) / 评论(0)

2006年VOA标准英语（一月）

原版英语对话：Having a Blood Test in the Lab(2)

A: My doctor says that I need a blood test. B: I can help you with that. Just have a seat and roll up your left sleeve. A: What are you taking my blood for? B: Your doctor has requested a check of your white blood count. A: What information does that

发表于:2019-01-15 / 阅读(62) / 评论(0)

英语情景对话-健康

经济学人141:癌症与肥胖

Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer

发表于:2019-01-26 / 阅读(49) / 评论(0)

经济学人科技系列

HEALTH REPORT - Melanoma Research

HEALTH REPORT - September 4, 2002: Melanoma Research By Nancy Steinbach (Photo - U.S. National Cancer Institute) This is the VOA Special English Health Report. Scientists have discovered a genetic cha

发表于:2019-01-29 / 阅读(60) / 评论(0)

健康与环境

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学英语单词

a baby mama

absolute income theory

actual expected standard cost

adjusted mortality rate

be in a fierce rivalry

be in full cry