汽渗透阻

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(129) / 评论(0) 分类 VOA标准英语2015年(十二月)

Agriculture Report - Grow It Yourself: Diving Into Aquaponics 农业报道 - 生态水培技术 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Aquaponics is the idea of producing vegetables and fi

发表于:2018-12-16 / 阅读(182) / 评论(0) 分类 2012年VOA慢速英语(二)月

Aquaponics Could Signal Future of Food Imagine growing vegetables and fish in the same space. Thats the idea behind aquaponics, a marriage of fish farming and soil-less plant cultivation in a single, sustainable closed system. Supporters believe aqua

发表于:2018-12-16 / 阅读(121) / 评论(0) 分类 VOA标准英语2012年(一月)

Unit 108:Get into the swim 第108单元:游泳去 One of the best all-around exercises,swimming increases both cardiovascular and muscle strength. 游泳能促进心血管及肌肉的耐力,是最佳的全身运动之一。 There is hardly any

发表于:2018-12-26 / 阅读(94) / 评论(0) 分类 减肥瘦身英语口语话题

28 Fred Smith Fred Smith: Most of the time, the biggest 1)risk that an 2)entrepeneur has to face, in my mind, is 3)internal. They have to decide that this is the thing that they want to do with their time and their life more than any other thing, be

发表于:2019-01-01 / 阅读(209) / 评论(0) 分类 名人名篇

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(182) / 评论(0) 分类 VOA标准英语2008年(九月)

The US Environmental Protection Agency lists stormwater as the primary cause of water pollution in the United States. Roads, shopping centers and housing developments are generally seen as enhancing a community's quality of life. But they can also di

发表于:2019-01-07 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(八)月

This is Scientific American's 60 seconds science. I'm Kellen Horgon. This will just take a minute. Have you ever wondered what happens to mosquitos in the rain, a raindrop is like 15 times heavier than those little suckers. So getting hit by one, he'

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(六)月

AGRICULTURE REPORT – October 29, 2002: Pest Management By Gary Garriott This is the VOA Special English Agriculture Report. Since nineteen-forty-five, farmers have used pesticides, poisons made from

发表于:2019-01-11 / 阅读(127) / 评论(0) 分类 农业与发展

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(117) / 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(162) / 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(152) / 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(140) / 评论(0) 分类 2016年NPR美国国家公共电台10月

A Letter to my Future Self写给未来自己的一封信In 1994 I wrote a letter. I stuck it in an envelope, put it away and completely forgot about it. 1994年我写了一封信,我把它装进信封收起来,就完全忘记了。 It wasnt until

发表于:2019-01-17 / 阅读(129) / 评论(0) 分类 英语口译

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(196) / 评论(0) 分类 2015CRI中国国际广播电台

Poyang Lake, which connects to the Yangtze River near the city of Jiujiang, is the largest freshwater lake in China. The area of the lake fluctuates dramatically between the wet and dry seasons, influencing water levels downstream. However, the lake

发表于:2019-01-19 / 阅读(162) / 评论(0) 分类 2018CRI中国国际广播电台

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:2019-02-04 / 阅读(121) / 评论(0) 分类 英语新闻

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(154) / 评论(0) 分类 2007年VOA标准英语(一月)

Scotch whiskey is said, by some, to have many magical qualities. Now, scientists in Scotland have discovered one more: it can be a weapon against polluted waste sites. A by-product of the spirit is 99.96 percent effective in cleaning contaminated gr

发表于:2019-02-05 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(十二月)

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(123) / 评论(0) 分类 好听的英文歌曲
学英语单词
'Aïn el Azel
ackerley
advanced forecast observation system
alimentary an(a)emia
alternative metal
Amygdalus
Atropa L.
autoprothrombine
backward-bias
bags burst
blepharoblennorrhea neonatorum
buttockless
collective ownership
compressed gas capacitor
connected subautomaton
corpses-to-be
court of human rights
crossed electric and magnatic field
deglutia
Dexacillina
dreifus
electrostatic transformator
EMA (electron microprobe analysis)
endarkens
environment attribute
ethnobotanists
ethnolinguistics
flyping
full - time staff
Galearis
Galium paradoxum
gob road
golfer
ground someone in something
headhunting company
heavily-builts
heterocarp
horned screamer
induction wire guidance
isolated word
japilline
keratinized cells
less-educateds
Leukolsis
levocycloduction
Lord Steward of the Queen's Household
louisite
macropeptide
malkus
Mary Mallon
matzoh ball
metric horse power
Mittel-European
mobile wagon
mocked up
molecular moisture capacity
motorlorry
naive art
nasciturus rule
national academy of science
Obrajito
Odesa
overawing
overreflection
panhead bolt
party-line driver
pause select
Perkinsian
photosensation
pocket lamp
positive valve
potatoes
pressamina
pressure gun grease
pressure tight seam
provection
pseudovitrinoid group
public sectors
purchasing power of money
quartz glass fibre
raschig synthesis
reciprocal networks
responding
rhembasmus
right child
right-brained
scatter gather operation
sequential interlace
spongy layer (endometrium)
squaretoes
strike migration test
telecode
the leading edge
the pledge of love
the poles
theynne
thin film storage
torsion bar spacer
trunkless
unprofessional operation
vomerine
yrosted