化脓性腮腺炎

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(230) / 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(162) / 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(229) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

THIS IS AMERICA - Making Music Together BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. Im Barbara Klein. STEVE EMBER: And Im Steve Ember. This week, we explore music through the eyes of two married couples. One of them produces rec

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 2011年VOA慢速英语(五)月

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(165) / 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(144) / 评论(0) 分类 英语单词荟萃

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(185) / 评论(0) 分类 Scientific American(八)月

THIS IS AMERICA - Second Chances for Prisoners, Horses and the Unemployed; Dogs Help Children Learn to Read CAROLYN PRESUTTI: Welcome to THIS IS AMERICA in VOA Special English. Im Carloyn Presutti. STEVE EMBER: And Im Steve Ember. This week on our sh

发表于:2019-01-12 / 阅读(173) / 评论(0) 分类 2012年VOA慢速英语(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(283) / 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(227) / 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(170) / 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(205) / 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(167) / 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(162) / 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(186) / 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(222) / 评论(0) 分类 科技之光

AMERICAN MOSAIC -March 22, 2002: VOA's Maurice Joyce remembered / Grand Central Terminal in New York / Oscar-nominated songs HOST: Welcome to AMERICAN MOSAIC —.. VOA’s radio magazine in Special En

发表于:2019-01-30 / 阅读(678) / 评论(0) 分类 American Mosaic

By Mary Morningstar Washington 01 April 2006 Kenny Rogers Legendary singer Kenny Rogers has recorded more than 60 albums that have sold over 100 million copies worldwide. He made his first appearance

发表于:2019-01-31 / 阅读(259) / 评论(0) 分类 2006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(159) / 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(233) / 评论(0) 分类 实用英语
学英语单词
Achladies
aldehyde collidine
allenhurst
Amsterdam Treaty
atomic warfare
awdries
Bahasa Indonesia
baum pot
be on at
bicabletramway
blowout fracture of orbital floor
broadcast.com
camwheel
caponette
carbon calculator
city environment
combined support
coronal cavity
cranialis
cumulative weight undersize fraction
Darier
differential equation of composite type
direct clearing
dispeopling
dynamic typing
environmental management consulting
estral cycle
evenly distributed load
Fail-year
flanches
foundation texture
Fryup
galvanized tube
geniculocortical
Golden-Rumped
high standard of feeding
hoplolatilus purpureus
hourglass murmur
Huatuo's Zhongzang classic
hyaluronate lyase
impendious
iodatian
kadaya gum
Kaytwo
keturahs
Knightian
ladies' rooms
larch pine
little potato
lloyd's s.g.form
logic reasoning
market overseas
murdoches
museum science
Neuburg am Rhein
normal background value
ozonato
Persian shallot
pharmacodynamical
position selector valve
predy
principal conspirator
proalbumin
pulsed laser diode
purkinje cell degeneration mouse
PYROM
quher
red beds
rental agreement
replenishing basin
riverside clay
root thickness
rushkoff
salmonella
samonella
seafront
selective aggregation
self-propelled ropeway
share hawker
simulation model library
sky dive
sletten
slow-footedness
snute
sound ranging altimeter
spontaneous evolution
spray carburetor
steel spade
stranguria
street-keeper
stress-relieved component
trigonum caroticum
tunnel ring
two-sided printing
ulmus rubras
ungvarite
unit and small-batch production
ventriculus terminalis
Western slavs
Wykehamist
yallar dog
yedlinite