音标:[,serә'taitis] ;
角膜炎
n Mediterranean fruit flies

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(209) / 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(150) / 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(213) / 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(149) / 评论(0) 分类 英语课程学习计划和讲义

5pm today was the deadline for Christchurch owners of homes in the residential red zone. They had to accept CERAs offer for their property by 5pm today. Home owners had two choices: accept CERAs offer for their home and land at 2007 value, or take th

发表于:2018-12-31 / 阅读(183) / 评论(0) 分类 新西兰英语

The government has set up a new department called the Canterbury Earthquake Recovery Authority or CERA. The job of CERA is to rebuild Christchurch. CERA will exist for just five years. It will have a staff of 50, mostly from other government departme

发表于:2018-12-31 / 阅读(144) / 评论(0) 分类 新西兰英语

Mexico City Now Sends Earthquake Warnings to Phones Mexico City has made changes to its emergency announcement service known as 911 CDMX. The service now sends messages to peoples smartphones warning them of earthquakes. The changes come after a magn

发表于:2019-01-03 / 阅读(192) / 评论(0) 分类 2017年VOA慢速英语(十一)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(170) / 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(264) / 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(206) / 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(155) / 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(195) / 评论(0) 分类 VOA标准英语2010年(三月)

MICHEL MARTIN, HOST: You don't have to be a movie buff to know Aaron Sorkin. You know him from movies like The Social Network, Steve Jobs and Moneyball and television shows like The West Wing. Over more than two decades of screenwriting, Sorkin has m

发表于:2019-01-16 / 阅读(241) / 评论(0) 分类 2018年NPR美国国家公共电台1月

古人云,少壮不努力,老大背单词。各位挣扎在红黄蓝黑各种宝书中的同学或许要问,这单词要背到什么时候才算够?我们不妨来看看外国人的词汇量是多少。 Britains Guardian newspaper, in 1986, e

发表于:2019-01-17 / 阅读(167) / 评论(0) 分类 阅读空间

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(153) / 评论(0) 分类 2010年慢速英语(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(170) / 评论(0) 分类 英语小达人

PEOPLE IN AMERICA - Celia Cruz: The Singer Was Known as the 'Queen of Salsa'By Dana Demange Broadcast: 2006骞?鏈?1鏃? (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with Peopl

发表于:2019-01-30 / 阅读(192) / 评论(0) 分类 2006年慢速英语(六)月

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(209) / 评论(0) 分类 科技之光

主演:丹尼斯奎德詹姆斯卡维泽肖恩道尔伊丽莎白米切尔安德烈布拉格诺亚艾姆雷克梅丽莎埃里克丹尼尔汉森Jordan BridgesStephen JoffeJack McCormackPeter MacNeillMichael Cera玛琳辛科Richard SaliNesbitt Blaisde

发表于:2019-02-05 / 阅读(161) / 评论(0) 分类 看电影学英语

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(218) / 评论(0) 分类 实用英语
学英语单词
abalone culture
acylic
Andriod
atelectotrauma
back talks
battle rapper
be out of step
brigade major
brushing shot
bubblest
cabin pressure
central tendency
chemlabs
chrome steel
colateral dipoles
colormetry
compatible equations
cooperative feedback inhibition
cost and effectiveness trade-off criteria
cross belt drive
croyse
crystallized verdigris
deconstructing
diplobacili
donatelloes
durch
earthquake strength
embedded part of coil
encephalomeningopathy
experimental hypertension
F. A. S.
filmograph
four-force
full variable demand access (fvda)
gear lever handle
gormanders
group classification code
h(a)emagglutination
half-volleyed
hernial fundus
horizontal kiln
human-cloning
Indian Ocean coverages
interception
investigation committee
issifu
jacobson's commissure (or jacobson nerve)
jet centrifugal pump
Kentucky, Commonwealth of
kid cloth
knee brake
lengthwise angle
lithification
long-hour
Lythrancepine
Mayo Butale
MEPC
metaxan
mezzed
midboard
miroprofen
mkt.
Mosla soochowensis
n-undecylamine
National Securities Exchange
nine-ring
off label
opisthocomidaes
peak absorption coefficient
pediastrum duplex
Phillips' catheter
plutonic plug
polar-orbiting satellite
pseudo-pseudohypoparathyroidism
quick feed
rated stroke
reciprocity for circuits
remollescent
running jump
russety
service telex calls
sheathy
single impression mould
sporangial sac
stenonite
tennyson
tense logic
The ball is in someone's court.
thermal-neutron time-of-flight spectrometer
thick-leafed
throw a kiss
tough-minded
tremel
trickle filter
triple burden
uk life
unlatches
unrinded
velocity-measuring system
vereenigdes
warhawks
wiring drawing