羟甲基嘧啶

英语游戏:Fun and Dine

[全屏观看] 点击右键- 另存为可保存这个Flash影片 Description: The game is won when you reach the level target or earn more money than your opponent. You must constantly upgrade your restaurant to maintain customers and revenue. If yo

发表于:2018-12-12 / 阅读(105) / 评论(0)

Daily Free Games

报告称吸烟或永久性损伤你的遗传物质

AS IT IS 2016-10-01 Report: Smoking May Permanently Damage Genetic Material 报告称吸烟或永久性损伤你的遗传物质 Here is another reason to not light up a cigarette. Smoking can permanently damage your genetic material, according to a n

发表于:2018-12-16 / 阅读(43) / 评论(0)

2016年VOA慢速英语(十)月

SSS 2011-06-22

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(94) / 评论(0)

Scientific American(六)月

SSS 2010-03-23

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(95) / 评论(0)

Scientific American(三)月

英文书摘精选 Why Humans (Not Chimps) Get Cancer为何人类而不是黑猩猩会得癌症?

You may have heard that humans and chimpanzees have something like 96 percent of our DNA in common. So why, then, are diseases like cancer so common in humans but so rare in chimps? If our DNA is nearly identical, shouldnt we be at risk for many of t

发表于:2018-12-28 / 阅读(49) / 评论(0)

初学者听力文摘精选

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(106) / 评论(0)

国家地理2008年

60秒科学:黑烘焙咖啡可以让胃部更舒服

Stomach Cells Happier with Dark Roast Coffee Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to research presented

发表于:2019-01-02 / 阅读(125) / 评论(0)

60秒科学

OxyContin Warning

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02

发表于:2019-01-02 / 阅读(112) / 评论(0)

科技之光

专业术语—中草药成分英汉对照词汇M

M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi

发表于:2019-01-03 / 阅读(89) / 评论(0)

医务英语

AGRICULTURE REPORT - Restrictions on Methyl Bromide

AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals

发表于:2019-01-06 / 阅读(129) / 评论(0)

农业与发展

Study: Loss of Ozone Slows

By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the

发表于:2019-01-11 / 阅读(99) / 评论(0)

VOA2003（下）-环境与健康

Finance Ministers Optimistic Following IMF Talks on Global E

发表于:2019-01-19 / 阅读(104) / 评论(0)

VOA2004（上）--各类新闻

英语听力：自然百科 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(112) / 评论(0)

自然百科2008年

经济学人69:外因遗传与压力新生儿蓝调曲

Science and Technology Epigenetics and stress Baby blues 科技外因遗传与压力新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长

发表于:2019-01-26 / 阅读(125) / 评论(0)

经济学人科技系列

英语博客(A cup of English):083 A Foxy Chick.

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(78) / 评论(0)

英语博客 A cup of English

英语语法：69 Metaphors and Similes

Hi! This is Stever Robbins, host of the Get-it-Done Guys Quick and Dirty Tips to Work Less and Do More. Grammar Girl is working on her book this week and since I do a lot of public speaking, she asked me to talk about how to use similes and metaphors

发表于:2019-01-30 / 阅读(150) / 评论(0)

英语语法 Grammar Girl

VOA标准英语2013--生物钟提供衰老的线索

Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod

发表于:2019-01-31 / 阅读(75) / 评论(0)

VOA常速英语2013年(十月)

学个词Learn a Word 第310期 Limited

今天我们要学的词是，limited。 Limited, 是有限的意思。拉美裔移民在维吉尼亚州的王子威廉姆斯县罢工一天，The one-day work boycott appeared to have a limited effect on businesses in the county. 但似乎并没有对

发表于:2019-02-03 / 阅读(85) / 评论(0)

英语单词荟萃

2007年VOA标准英语-Oxycontin Manufacturer Lied About Dangers of Dr

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(131) / 评论(0)

2007年VOA标准英语（五月）

英语博客(A cup of English):Vaccines for Foxy.

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(103) / 评论(0)

英语博客 A cup of English

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学英语单词

analog-digital real time computer

anterior uterine artery

azepindole

baker's chocolate