免疫砧木

By Mario Ritter Broadcast: August 12, 2003 This is Bill White with the VOA Special English Agriculture Report. We often think of agriculture as planting seeds and harvesting crops. But many crops do n

发表于:2018-12-07 / 阅读(91) / 评论(0) 分类 VOA2003(下)-农业与经济

Agriculture Report - Getting to the Root of How to Water Trees This is the VOA Special English Agriculture Report. Some trees can survive a long time without water. Think of trees that grow in the desert. But other trees may need more moisture than t

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 2011年VOA慢速英语(八)月

This is the VOA Special English Agriculture Report. These days, if we hear about two different plants being combined, the first thing we think of might is modern biotechnology. But the low-technology process of grafting remains an extremely important

发表于:2018-12-15 / 阅读(89) / 评论(0) 分类 VOA慢速英语2007年(一)月

THIS IS AMERICA - How Root Beer Changed the Business World BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. CHRISTOPHER CRUISE: And I'm Christopher Cruise. This week on our program, we look at the history of root b

发表于:2018-12-16 / 阅读(104) / 评论(0) 分类 2011年VOA慢速英语(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 Scientific American(八)月

He is immune to chickenpox, he had it as a child. 他对水痘免疫,他小时候就得过了。 immune表示免疫的,immune system就是指身体的免疫系统;而对...有免疫力就用be immune to...这个词组。

发表于:2018-12-25 / 阅读(86) / 评论(0) 分类 蒋健棠英语实用句子

Yi-jun: So people can go and root for their old school team? Taylor: Yep. And relive those good old high school days. Yi-jun: You don't sound too excited about going to your reunion. Taylor: I'm not. I get a stomachache just thinking about it. Yi-jun

发表于:2018-12-25 / 阅读(96) / 评论(0) 分类 Eztalk美语会话

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the body's

发表于:2019-01-11 / 阅读(100) / 评论(0) 分类 VOA慢速英语2009年(四)月

Grafting is a way to produce plants from pieces of existing plants instead of seeds. Branches or buds are cut from one plant and placed on a related kind of plant. The branch or bud that is grafted is called the scion. The plant that accepts the graf

发表于:2019-01-12 / 阅读(115) / 评论(0) 分类 2010年VOA慢速英语(五)月

News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2010年(二月)

Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 VOA标准英语2010年(十)月

Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system

发表于:2019-01-14 / 阅读(104) / 评论(0) 分类 VOA标准英语2013年(四月)

AGRICULTURE REPORT - Who Needs Seeds? The Secret of Seedless Fruits By Mario Ritter Broadcast: Tuesday, August 09, 2005 I'm Faith Lapidus with the VOA Special English Agriculture Report. We often thin

发表于:2019-01-30 / 阅读(96) / 评论(0) 分类 农业与发展

Money is the root of all evil. Do you think this is true? How can money lead people to do bad things? Do you think money can do good things? If so, give examples! (Note: Although many people repeat this quote, the original saying was Love of money is

发表于:2019-02-02 / 阅读(126) / 评论(0) 分类 english quotes 英文谚语

今天我们要学的词是 root cause。Root cause 根本原因。世界经济论坛说,The lack of competitiveness in Europe is the root cause of financial instability and rising unemployment numbers in the region. 缺乏竞争力是欧洲经济不

发表于:2019-02-03 / 阅读(112) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是root。 Root, 做为动词,是为某人打气,捧场的意思。The whole town is rooting for the local high school football team, 整个小镇都为当地高中橄榄球校队加油。I always root for the underdog, 我总

发表于:2019-02-05 / 阅读(99) / 评论(0) 分类 英语每日一词

今天我们要学的词是root。 Root, 做为动词,是为某人打气,捧场的意思。The whole town is rooting for the local high school football team, 整个小镇都为当地高中橄榄球校队加油。I always root for the underdog, 我总

发表于:2019-02-06 / 阅读(70) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是immune。Immune, 的意思是免疫的,比如,immune system就是指免疫系统, immune disease则是免疫系统疾病。Immune还可以指免除的,不受影响的. Apple's OS X, which has long been considered immu

发表于:2019-02-06 / 阅读(77) / 评论(0) 分类 英语单词荟萃

Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co

发表于:2019-02-06 / 阅读(74) / 评论(0) 分类 VOA标准英语2008年(十月)

Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,

发表于:2019-02-25 / 阅读(175) / 评论(0) 分类 英语新闻
学英语单词
abohm centimeter
anal ulcer
aquoy
autonomous relay system
Bandedge
bank wire system
beer-mats
benzene tetraiodide
Bergerville
boghouse
business capability
cesium tetroxide
checkconsistencies
congolene
control rod drive mechanism nozzle leakage monitoring system
Dendrocalamus mianningensis
differential graded group
dihydropteridine reductase deficient form
directed bond
dorsal recumbent position
drop lock FRN
dynamic organization
etonian
exhaust steam inlet
feature matching
Finished with engine!
Florentine arch
four-legged friend
futbol
gamma-Thio-GTP
geiger nuttall's law
Gianpel
government compensation
government directed
gram weight
guneys
heavy scene
high anion gap metabolic acidosis
horl.
inclination logging
independent control system
indeterminist
Island Reversal
jacking stress
jibstay
launching base
left view
Lumpenus lumpretaeformis
machine-style
marginal credit
mat metals
Maximak
Mayoman
minimalisms
misonidazole
mori succus
mucosal melanoma
nalde
Omega navigation system operations detail
orphing
panchronic
pathein
phenylpropanolamines
phosphodiester bonds
plasmochemical pyrolysis
plug-type rail bond
quantitative mineralogy
quick seal coupling
reboiler condenser
reflection point smear
reglette
reliable virtual circuit service
rotary evaporator
sclerosarcoma
scotomamete
shear through
shrugger
Si Kiang
single fillet weld
smooth-muscle
specified value
starchy endosperm
steel gray
steeleite (altered mordenite)
stinting
storage quality
supermoderators
syntactic semantic mechanism
tap-nose grinder
thegndom
thiazines
thurau
uberveillance
ultraviolet treatment
undulating hydrofoil
unreassuring
vertical drawing process
Waidhofen
want-ads
working capitals
Wylie drain
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