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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(178) / 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(123) / 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(191) / 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(127) / 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(116) / 评论(0) 分类 英语单词荟萃

The Tertiary Education Commission (the TEC) announced the funding for polytechs and universities for the next 3 years. The TEC is the government organisation responsible for tertiary institutions like polytechs and universities so this is government

发表于:2018-12-31 / 阅读(151) / 评论(0) 分类 新西兰英语

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(133) / 评论(0) 分类 VOA2004(下)--健康科技

By Jim Stevenson Washington 29 August 2007 Sixteen teams are preparing to compete next month in the FIFA Women's World Cup football [soccer] tournament in China. One of them is the United States, which has been playing on home soil in a so-called Se

发表于:2019-01-04 / 阅读(132) / 评论(0) 分类 2007年VOA标准英语(八月)

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(143) / 评论(0) 分类 Scientific American(八)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(230) / 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(174) / 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(138) / 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(173) / 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(133) / 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(127) / 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(150) / 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(186) / 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(116) / 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(194) / 评论(0) 分类 实用英语

Shandy: Oh, that player just hit my boyfriend! Did you see that? That was definitely a penalty. Giuseppe: No, I didnt. I was watching the goalie. The referee isnt doing anything. Shandy: I cant believe it. Why isnt the coach talking to that referee?

发表于:2019-02-19 / 阅读(152) / 评论(0) 分类 地道美语播客
学英语单词
ablation shelter
air foam fire extinguishing system
anguid lizards
Anmoore
anticlise
artemisinin
autumntides
badu i. (mulgrave i.)
bearns
benzene azoanilide
buttner
clayization
collenchymas
combes cure transformation
cone shock
confederator
critical path
crow-flight distance
Damoh
damp-proof packing
declivity of blocking
demand sign
describing function technique
digestive tracts
disk dryer
element-selective detector
elimination zero
europium anomaly
extraaxial
fenney
fisher-boat
followed
Forsythia giraldiana
forwardly
genus Tarpon
geographical coverage
germarial
gradient tint scale
hayeful
heating drum
heavy inspection
hecto-cycles
homeless shelter
hot-electron triode
hydrated cellulose
i don't see why not
Jewell Ridge
jolly fellow
Kaempferia galanga L.
kilo volt-ampere
knowle
left surface
legal chain
level tube
linear-accelerator structure
manit
mental measurement
Microula muliensis
Morovs'k
mostow
multimini computer structure
Natewa B.
nature rights
Oberonia longibracteata
on and-off switch
ophthalmomycosis
ossifier
pay a retaining of guaranteed wage
petrogenetic elements
Polygonum paludosum
power take-off shifter shaft
predictive methods
purulent secretion
recitando
relato
remolino (spain)
rimeless
scanning microwave spectrometer
Shiels method
ship mechanical environment
silvering locus
solemnization
spatial vision
T-groups
table clamp
tag array
tail of sequence
Tecklenburg
terdle
tetra base paper
tetrasporic
toggle breakpoint
tom cruise
Transder-Scop
trap in
triple vector product
true conic projection
Ust-Sopochnyy
vibrocs
warm belt
Westley
When in Rome,do as the Romans do .