耐化学侵蚀性试验

06 Working in a Laboratory lab laboratory; a place where scientists and engineers work, conductingexperiments and tests* Students have to wear protective eyeglasses whenever they go into the lab. colleague co-worker; a person whom one works with, usu

发表于:2018-12-03 / 阅读(107) / 评论(0) 分类 2010年ESL之商务英语

This is the VOA Special English Education Report. More than half the teachers in the Houston Independent School District, the largest in Texas, have earned merit pay awards this year. Marjorie Hunt-Bluford is one of them. The idea seems reasonable.

发表于:2018-12-07 / 阅读(56) / 评论(0) 分类 VOA慢速英语2007年(九)月

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(70) / 评论(0) 分类 VOA标准英语2015年(十二月)

Tip(诀窍),resistance F: take up(获得) any sales tips? M: sure, give you 10% off and let you loose (放任自由)in my store F: I admit it. My sales resistance(对推销的抵制力) is low. M: your sales resistence is not existent. F: Im a pushover(容易被

发表于:2018-12-16 / 阅读(153) / 评论(0) 分类 VOA 商务英语

Cambridge 8 TEST 4 1. middle-year education=lower secondary school 中学2. format=pattern n.格式 3. less successful student=struggler 差等生4. key=contributing factor=important=major=significant=critical n.关键5. achievement=attainment=progre

发表于:2018-12-18 / 阅读(85) / 评论(0) 分类 雅思英语

The limpidness lettuce still has a little life left,a new study finds that produce continue to respond to life kills which enable them to keep protecting themselves from insects,and perhaps even enhance their nutritional value to us.Scientists knew t

发表于:2018-12-24 / 阅读(51) / 评论(0) 分类 Scientific American(六)月

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(147) / 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(129) / 评论(0) 分类 VOA标准英语2008年(九月)

This is the VOA Special English Agriculture Report. Not all research begins with a plan. Some studies begin by accident. Meredith Schafer says that is what happened with her and Cynthia Sagers. Cynthia Sagers is a biology professor at the University

发表于:2019-01-12 / 阅读(57) / 评论(0) 分类 2010年VOA慢速英语(九)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(71) / 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(119) / 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(92) / 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(89) / 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(72) / 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(136) / 评论(0) 分类 2015CRI中国国际广播电台

AGRICULTURE REPORT – July 30, 2002: Chemicals on Organic Food By George Grow (Photo -Scott Bauer) This is the VOA Special English AGRICULTURE REPORT. Farmers who grow organic food do not use chemica

发表于:2019-01-30 / 阅读(88) / 评论(0) 分类 农业与发展

By Lisa Schlein Geneva 14 May 2008 Scientists say new evidence links certain chemicals to the development of obesity. About 2,500 international experts are attending the 16th European Congress on Obesity in Geneva. Lisa Schlein reports for VOA the pa

发表于:2019-02-03 / 阅读(77) / 评论(0) 分类 VOA标准英语2008年(五月)

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(100) / 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(79) / 评论(0) 分类 好听的英文歌曲

今天我们要学的词是 chemicals. Chemicals 化学物质。A group of scientists voiced new health concerns about a common class of chemicals used in thousands of products, including electronics, footwear, and sleeping bags. 科学家对一类常见

发表于:2019-02-16 / 阅读(49) / 评论(0) 分类 英语单词荟萃
学英语单词
a-levelled
above-the-line
Allostigma guangxiense
ambiguo-accessorius
antihole
anzia formosana
arc duration
Argoflon fibre
armed forces special weapons project
automotive technology
Berberophone
blunt pile
borsch
bosko
calcinuric
Caps Lock
careme
Cassano delle Murge
cathodic corrosion
chlorephidrosis
chronic cholangitis
climatic trend
compound locomotive
conservator of the peace
crusted tetter
cume rating
cyst of ligamentum teres uteri
diagnostic test
echo-pulse
elayt
Flateland
fluid flow regulator
fluxoid
gangraina
gap distance
hallenbeck
Halopteris
helicoid cell
high-level instrumentation
huapi
iminophosphorane
isochronal spiral regulator
jeanmarie
Jolt Squeezer Machine
junction curve
keelavine
labore et honore
least-cost estimating and scheduling system
linearflowage structure
LLTR
many-headeds
Mediouna
medium speed computer
miss'd
moneyed resources
mortar admixtrue
motor type insulator
netlabel
neutron induced process
no contest clause
noninhibitors
number of irrigation
o-chlorophenetole
other transmission line links
pachyrhynchus sonani
peptizing agent
psychoparesis
punked it
reboiler section
reentry gas dynamics
relative voltage drop
Rhizidiaceae
sacral vertebra
scirtothrips dorsalis
seismic station array
service hats
sex-plus
Sheraton
silkworm physiology
single-piece production
square bodied suture needle
squince
standard distillation test
standard-processing techinque
superclimbing
Surtees
syquest disk
thick walled cylinder by disperse tapered blocks
Thomas Malthus
tin lead solder
u.s.v
unnatural death
use charge
variamycin
Vilegodskoye
wairdour
water stair
werburgh
width at tooth root
x-ray cassette
York Springs
zipgun