[化] 气密性

Most of them travel 40,000 miles to a satellite and then back to earth. Ten years ago, a satellite was capable of receiving and transmitting more than 33,000 telephone conversations simultaneously. No

发表于:2018-12-01 / 阅读(150) / 评论(0) 分类 自考英语(一)78讲

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(194) / 评论(0) 分类 自考英语(一)78讲

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(75) / 评论(0) 分类 VOA标准英语2015年(十二月)

Walking in the Air 空中漫步 We're walking in the air 我们在空中漫步, We're floating in the 1)moonlit sky 在月光点亮的天空中飘浮。 The 2)people far below are sleeping 在我们飞

发表于:2018-12-13 / 阅读(101) / 评论(0) 分类 英乐时空

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town.

发表于:2019-01-03 / 阅读(182) / 评论(0) 分类 英汉幽默故事选读

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(132) / 评论(0) 分类 VOA标准英语2008年(九月)

Millions of Americans Suffer From Hair Loss This is Science in the News, in VOA Special English. Im Shirley Griffith. And Im June Simms. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. H

发表于:2019-01-12 / 阅读(105) / 评论(0) 分类 2013年VOA慢速英语(五)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2012年(一月)

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2010年(五)月

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(99) / 评论(0) 分类 VOA标准英语2015年(一月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(94) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(140) / 评论(0) 分类 2015CRI中国国际广播电台

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(104) / 评论(0) 分类 2007年VOA标准英语(一月)

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(84) / 评论(0) 分类 好听的英文歌曲

SYDNEY, Oct. 31 (Xinhua) -- Australia's airline Qantas planes will be back in the air some time on Monday afternoon after Fair Work Australia (FWA) ruled to terminate Qantas industrial action, local media reported on Monday. Tens of thousands of pass

发表于:2019-02-07 / 阅读(84) / 评论(0) 分类 英语新闻

I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat

发表于:2019-02-11 / 阅读(115) / 评论(0) 分类 好听的英文歌曲

A report from the Asian Development Bank this week is showing economic losses from air pollution in China accounts for 1.2 percent of the Gross Domestic Product. For more on this, we spoke earlier with Zhang Qingfeng, Asian Development Bank's Lead Wa

发表于:2019-02-14 / 阅读(75) / 评论(0) 分类 英闻天下

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

发表于:2019-02-18 / 阅读(152) / 评论(0) 分类 趣味英语

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(104) / 评论(0) 分类 英语新闻

今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪,意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气

发表于:2019-02-18 / 阅读(158) / 评论(0) 分类 美国习惯用语
学英语单词
affixments
air-conditioning duct
air-tightly
aircraft instruments department
alvinocaridids
antiresonant
apache-sitgreaves
Arctoa
argentum cyanicum
ball-and-socket bearing
bascinets
bedded structure
bolometric voltage standard
calamaria pavimentata formosana
cesarevitches
closed clamp
congenital fascial dystrophy
credits waiver and transference
creekfront
cross-section per atom
densification
dihydroetrophine
discharge of cooling water
double step
dune succession
earth drill
elrond
entrapper
equatorial germination
Ethernet packet
feel down in the dumps
fetal hormone
field theory of earthquake
foaly
full-time activity
grain-boundary movement
growth production
hair seam
hard time maintenance
hibernises
immunotherapist
in ... power
incremental priorities
ion-exchange equilibrium
ISS (Industry Standard Specifications)
kenova
kettle room
lefeuvres
lepidorthosis
loasas
maddeningly
malacothamnuss
mislaundre
nesocaedius taiwanus
noncommon supplies
notetaking
novias
Novobokino
nucleus alae cinereae
olesha
openend
Othin
pacbell
partes mammillaris hypothalami
pass convexity
payoff reel
placenta uterina
port-closing time
potlids
pre-gaming
preliminary dimensions
presheaf of regular functions
prunus mume sieb.et zucc.var.tonsa rehd.
psorospermal cyst
Quemada, Pta.
rabbit-punch
rafhas
rescue radio beacon
retriangulating
safety car
scil.
semiranching
short messaging
SM (slave module)
snorings
succumb
supernova outburst
supersonic diffusor
suprarenal artery
suturae vomeromaxillaris
take up reel table
thread bottom
toxolecithid
trayfle
trident maple
trimethylenetetraurea
ultra high resolution scanning electron microscope
Villard, Oswald Garrison
Vulcan coupling
writ-room
yrad
Z particle