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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(683) / 评论(0) 分类 Scientific American(八)月

This is the VOA Special English Health Report. Every few years, two groups do a study of how many Americans wash their hands after using the toilet. These groups are the American Society for Microbiology and the American Cleaning Institute, formerly

发表于:2018-12-07 / 阅读(486) / 评论(0) 分类 2010年VOA慢速英语(九)月

[全屏观看] 点击右键- 另存为 可保存这个Flash影片

发表于:2018-12-12 / 阅读(558) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

World Hepatitis Day is observed on May the 19th. It aims to increase awareness worldwide of the diseases hepatitis B and hepatitis C. Its hope is to encourage the prevention and diagnosis of these two diseases, and increase the number of people who r

发表于:2018-12-29 / 阅读(541) / 评论(0) 分类 英语课程学习计划和讲义

今天我们要学的词是tit-for-tat. Tit-for-tat意思是针锋相对,以牙还牙。Islamist militants' attacks and tit-for-tat violence between rival ethnic groups have cast doubt on Mali's upcoming elections. 伊斯兰国激进分子的袭击和

发表于:2018-12-30 / 阅读(481) / 评论(0) 分类 英语单词荟萃

By Jessica Berman The U.S. space agency has released the first close-up pictures of Titan, Saturn's secretive, giant moon. Photos from the international Cassini spacecraft show the orbiting object shr

发表于:2019-01-03 / 阅读(515) / 评论(0) 分类 VOA2004(下)--健康科技

Youve given some thought to oxygen, carbon, uranium. But youve probably never mused about the element ytterbium, symbol Yb. A new study by scientists at the National Institute of Standards and Technology, or NIST, says that ytterbium could find a rol

发表于:2019-01-08 / 阅读(568) / 评论(0) 分类 Scientific American(八)月

By Anjana Pasricha New Delhi 20 January 2006 A top U.S. official says the United States is committed to implementing a landmark nuclear deal that will give India access to civilian nuclear technology.

发表于:2019-01-09 / 阅读(530) / 评论(0) 分类 2006年VOA标准英语(一月)

By Ron Corben Bangkok 27 May 2008 Nepal's traditional instruments date back centuries and have been very much at the core of the country's cultural heritage. But these days, modern musical forms from India and the West have some fearing that traditio

发表于:2019-01-13 / 阅读(505) / 评论(0) 分类 VOA标准英语2008年(五月)

The U.S. Special Inspector General for Iraq Reconstruction has criticized the State Department for its management of nearly $3 billion in contracts and grants in Iraq. In two reports, auditors cited weak and ineffective State Department oversight of

发表于:2019-01-13 / 阅读(699) / 评论(0) 分类 VOA标准英语2010年(一月)

The US government is considering, for the first time, the approval of a genetically-modified animal for human consumption. The animal being considered is salmon, but approval could open the door for other animals as well. Those who favor the move say

发表于:2019-01-13 / 阅读(631) / 评论(0) 分类 VOA标准英语2010年(七)月

Stomach cancer is one of the deadliest diseases, and ranks second among cancers worldwide with at least 800,000 deaths yearly. But in the United States, the number of cases has been declining, except for among one group of Americans. Glenda Reimer, h

发表于:2019-01-13 / 阅读(499) / 评论(0) 分类 VOA标准英语2010年(五)月

At Scripps Research Institute in Jupiter, Florida, scientists are working to find clues about how the human brain processes memories. Their laboratory test animal is not a chimp or a dog or a rat animals that we know can remember things it is the com

发表于:2019-01-13 / 阅读(552) / 评论(0) 分类 VOA标准英语2010年(三月)

This is the VOA Special English Development Report. Health experts predict that soon, more people will die from cancer than from AIDS, tuberculosis and malaria combined. They expect that by two thousand ten, cancer will become the world's leading cau

发表于:2019-01-20 / 阅读(523) / 评论(0) 分类 2010年慢速英语(三)月

Glaucoma is the leading cause of irreversible loss of vision worldwide and now doctors believe the devastating disease begins in the brain and not in the eye as has long been thought. Dr. David Calkins, director of research at the Vanderbilt Eye Inst

发表于:2019-01-20 / 阅读(509) / 评论(0) 分类 VOA标准英语2010年(三月)

Tit for Tat针锋相对An American lady traveling in England some years ago, got into an compartment of a smoking carriage where an Englishman was smoking a pipe. For a short time she sat quietly expecting that the Englishman would stop smoking. But

发表于:2019-01-28 / 阅读(478) / 评论(0) 分类 英语小达人

72 约翰斯·霍普金斯疟疾协会 DATE=7-19-01 TITLE=SCIENCE REPORT - Johns Hopkins Malaria Institute BYLINE=Jill Moss (Start at 01'0

发表于:2019-01-30 / 阅读(662) / 评论(0) 分类 科技之光

今天我们要学的词是multitasking。 Multitasking, 原本是计算机术语,指多重任务同时处理,现在已经被沿用到日常生活中,指同时干很多事情。现在的美国中学生,一边写作业,一边听音乐,还要

发表于:2019-02-02 / 阅读(492) / 评论(0) 分类 英语单词荟萃

Offering Substitute 提供代用品 Specimen Letters1. Offering Rayon in Place of Watered Silk提供人造丝代替水洗丝Dear Sirs,Thank you for your fax of yesterday (April 3) with your order No.456 for 5,000 metres of 100cm wide watered silk. We

发表于:2019-02-05 / 阅读(632) / 评论(0) 分类 实用英语

当心!羽毛当道!成千上万只鸭子堵塞泰国交通。 Thai motorists were left stunned after thousands of ducks suddenly flooded a country road. 泰国的一条乡村公路上突然挤满了成千上万只鸭子,摩托车手们都被吓呆

发表于:2019-02-17 / 阅读(432) / 评论(0) 分类 英语新闻
学英语单词
abhandlungen
actuating ratio
allelochemics
anarcho-naturists
antifungus insulation
antiwear agent
arctic desert
Asyneuma
auxiliary boiler test
babe magnets
bar-ilans
Benbrook Lake
biscayne bays
bobtailed
borylidyne
Bouillargues
bowle
Bromus catharticus
capitals of uruguay
carcelia (carcelia) sexta
cellulose iii structure
certificate identifier
chasovrite (glinite)
clickthroughs
communication program
drive gearbox
drug-free
eloxal coating
eneygetics
ensuest
exploders
exponentially-weighted moving average
feel fine
fragment processor
functional damage assessment
geothermal logging
gsmetoid theory
heart-to-heart talk
high-pass filters
holding of document
human-animal
idle bar
impassable gulf
international investment bank
intrawire
klunk
lashes out
limonia (limonia) inelegans
line-time base valve
mainshaft bearing retainer
mainshaft rear bearing oil seal
mamochka
managerial system
manualists
mellites
melting tank
menudo
monthly instalments
negative conjunction
noise autocorelation
Noumoudara
odoriferousness
okonomiyaki
over-the-top action
overlapped span of control
parsings
peg-boards
pendant superheater
phenylene diamine
phosphate retention
plainpalaiss
poplar bud
progressive sand waves
proportioning bin
related perceived colour
reproduction positive mould
routing layer
sale at a valuation
segregation of package
semi-chemical pulp
semi-erect
sessiliventres
short-term money market
silicon technology
Sniders
spirocercosis
supraclavicular lymph nodes
terrable
testis sac
tryptophane synthase
uiss
unknightly
Untsukul'skiy Rayon
upupidaes
variable density wind tunnel
vee tail
vessel stability
white aggregate
winter squashes
wnek
Zovivax