增生性口腔炎

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(245) / 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(173) / 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(235) / 评论(0) 分类 北美小学生英语一年级教材(牛津英语教材)

aspirin 阿斯匹林 dentist 牙医 earache 耳朵疼 flu 流行感冒 have a headache 头痛 have a stomachahe 胃痛 have a temperature 发烧 have a toothache 牙痛 have an earache 耳朵痛 have flu 得了流行性感冒 have measles 得了麻疹

发表于:2018-12-17 / 阅读(189) / 评论(0) 分类 新概念英语第一册单词MP3

Gratitude for Every Single Moment of Life 感激生活的每一刻 选自:American Beauty《美国丽人》 ■ 这是该片结束时的一段独白,凄厉,朦胧,包含着人生的哲理。对事物的形容简练、深刻、意境深远。秋天的黄叶、母亲如纸般的皮肤,短短几句就道出无限凄凉。这样富有

发表于:2018-12-25 / 阅读(195) / 评论(0) 分类 好莱坞电影口语模仿秀

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(176) / 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(150) / 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(196) / 评论(0) 分类 Scientific American(八)月

By Ade Astuti Nia Sutadi Bethesda, Maryland 19 February 2007 watch Edible report On special occasions people in the U.S. often show their love with flowers. But these days there is another choice -- instead of giving a bouquet of flowers many are se

发表于:2019-01-12 / 阅读(218) / 评论(0) 分类 2007年VOA标准英语(二月)

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(297) / 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(233) / 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(180) / 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(213) / 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(175) / 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(172) / 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(190) / 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(230) / 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(163) / 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(246) / 评论(0) 分类 实用英语

今天我们要学的词是pro-life。 Pro-life意思是反对妇女有堕胎的选择权。Pro-life的对立面是 pro-choice,支持妇女的堕胎权。美国总统奥巴马不久前在圣母大学发表毕业演讲。Hundreds of pro-life activis

发表于:2019-02-05 / 阅读(270) / 评论(0) 分类 英语每日一词
学英语单词
absolute cost
activity scale
alarm dosemeter
aminopyralid
anidrosis
arkoun
ass cheeks
atom-blitz
bannerest
betanaphthol benzylamine
black root rot fungus
Borve
british industrial measuring and control apparatus
caput tra
carbamylphosphate
cavernous nerves of penis
compromisal
cytopon
Dar Ben Karricha el Behri
data readout setup
deglycerinizing
dehaemoglobinised
dermatophilos disease
detonation spraying
detrimental resistance
disponing
electromagnetic shim
electron line density
emploi
epiploic foramen
equipment utilization
executive system utility
factory
feeder greens
formation rules
freight policy
gauze cloth
ged
genus ozothamnuss
geocentric drying power
hand pumps
Hapale
housestyle
Hydrocotyle pseudoconferta
import duties
internal connection
intersegment reference
irradicates
juaquin
Judah ha-Nasi
Kalozhnoye, Ozero
Kihnu
link list schema
market clearing
mass excess
mateos
megavilt
Mesocyprinus
Methanohalobium
Nakba Day
nali
niviventer coxingi
nonfile-structure device
numeric character 0-9
nymphicuss
objectifiers
Octadecylsilyl
offshore drilling operation
parapoynx insectalis
partial sea damage
particulate microemboli
pilz
podophthalmites
point of welding
potentiometric transducer
protecting file
proximity effcet
put on foot
raina
recording tachometer
redball
resiliencies
rocolo
roothams
Saivite
selenic silver
self-parodying
separating grade
smash cut
Sorbus rhamnoides
staff adjuster
straight sending system
subterraneousness
sugar-daddy
TDP (teledata processing)
tons sea water
truffling
u-tapaos
Vazhinka
washmaid
water sphere
wrinkled seed