聋哑症

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(512) / 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(368) / 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(459) / 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(416) / 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(386) / 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(389) / 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(423) / 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(573) / 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(490) / 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(397) / 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(442) / 评论(0) 分类 VOA标准英语2010年(三月)

By Claudia Blume Hong Kong 17 May 2006 The Pacific Tsunami Warning System has been tested for the first time with a two-phase, region-wide drill, sending alerts about imaginary earthquakes and tsunami

发表于:2019-01-19 / 阅读(475) / 评论(0) 分类 2006年VOA标准英语(五月)

The opening ceremony of a China-US student exchange program has been held in Beijing at Tsinghua University. Those addressing the meetinng have encouraged the students to keep innovating and embrace the world with an open mind. The student exchange p

发表于:2019-01-19 / 阅读(408) / 评论(0) 分类 2018CRI中国国际广播电台

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(387) / 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(421) / 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(388) / 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(492) / 评论(0) 分类 科技之光

By Tabinda Naeem Washington 17 April 2007 Visitors to The Smithsonian Museum's Arthur M. Sackler Gallery in Washington, D.C. are experiencing the beauty and splendor of Asian gardens without taking a step outside. The exhibit, called East of Eden: Ga

发表于:2019-02-02 / 阅读(474) / 评论(0) 分类 2007年VOA标准英语(四月)

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(368) / 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(515) / 评论(0) 分类 实用英语
学英语单词
Aeschynanthus stenosepalus
aldolases
all-stations address
Allstedt
alum precipitate
Ardestan
ascherson
bind sb out
biozones
borefests
boronizing
bricky
caudites unicostata
Cavitas nasi ossea
chapeless
Chimborazo
Clarkedale
coalmining
confinement-controlled seal
construction procedure
contacting sedimentation tank
creeping covers
crystal pick up system
curved wall
cystocarcinoma
decibel above one watt
densified powder
dual lead cylin-drical worm
dust-bin
dxas
fat pig
Fluoresoft
gaimen
genus Trichophaga
Good antennae
harbour
hership
HFB
highly prospective area
hold ladder
hysteria minor
in small pirnt
indication lock
jes,jes'
lift the curfew
low-temperature, polysilicon
lunar impact craters
lurchings
lyonel
Maglehem
Mahaweli Ganga
mathematic compiler
MFSK
miscaptioning
mold plaster
montipora peltiformis
ngouabi
nitrophenylene diamine
non magnetic steel
Old Curiosity Shop
oleobalsamic
ooze mud
open stockhold draft
order psocopteras
patchways
pb (proportional band)
Pittosporum glabratum
portable pillar
Ravius
read circuit
residual ageostrophic motion
sandbergerite ( (1)zn-tennantite (2)heinrichite)
Sandhornoya
scelet
scraper chain
siphoniferous
spasmogen
spider fly
spine-cell
splattery
subordinate complement
surface type attemperator
Syeda
symmetric antenna
Tereshkova, Valentina Vladimirovna
terron
thecotheus formosanus
thermal aging property
through-plate
tinplate mill
tossment
tray dynamics
tri-process separator
twenty-four-hour satellite
ungo
uninseminated
Vauvillers
wage tax
wall-hangings
well-structured program
wudtke
Yandǒk-gun