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发表于:2018-11-30 / 阅读(384) / 评论(0) 分类 24篇魔术美文串记4级词汇

Fearing Bioterrorism Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have s

发表于:2018-12-03 / 阅读(156) / 评论(0) 分类 2013年ESL之就医和人际交往

蒋健棠听说学英语 Chapter16:The wildlife biologist

发表于:2018-12-26 / 阅读(210) / 评论(0) 分类 蒋健棠听说学英语

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(114) / 评论(0) 分类 新编大学英语阅读部分

Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T

发表于:2019-01-01 / 阅读(119) / 评论(0) 分类 地道美语播客

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 科技之光

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(177) / 评论(0) 分类 VOA2003(下)-农业与经济

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(六)月

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2010年(八)月

KELLY MCEVERS, HOST: To cross from Mexico into the U.S. without legal permission can mean days of walking through rivers, deserts and mountains and through places where dangerous criminals prey on migrants. Jason de Leon thinks the paths that migrant

发表于:2019-01-16 / 阅读(114) / 评论(0) 分类 2017年NPR美国国家公共电台10月

Anyone who arrives in New Zealand by plane knows about Biosecurity NZ. Bio means living and security means safe. Biosecurity NZ is a government department. Their job is to make our country safe from unwanted living pests. These pests are plants, anim

发表于:2019-01-27 / 阅读(137) / 评论(0) 分类 新西兰英语

AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba

发表于:2019-01-30 / 阅读(146) / 评论(0) 分类 农业与发展

American anthropologist explores diverse cultural landscape of Middle East Mohamed Elshinnawi | Washington, DC 09 June 2010 Enjoying a Yemeni meal with villagers in 1986 Despite decades of close U.S. involvement in Middle East affairs, most Americans

发表于:2019-02-04 / 阅读(106) / 评论(0) 分类 VOA标准英语2010年(六)月

By Mike O'Sullivan Los Angeles 18 January 2006 Scientists who study human development have always faced a dilemma. The need to procreate and protect our genetic offspring can be overridden in humans w

发表于:2019-02-04 / 阅读(186) / 评论(0) 分类 2006年VOA标准英语(一月)

Kenya is joining a long list of countries planning to produce diesel fuel from the poisonous-but-oil-rich seeds of the jatropha tree, a plant indigenous to South America. The tree is at the heart of a five-year strategy to develop a bio-fuel industr

发表于:2019-02-06 / 阅读(161) / 评论(0) 分类 VOA标准英语2008年(八月)

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 阅读空间

Australia has opened a new National Center for Bio-Security to build its defenses against infectious diseases and biological weapons. Medical experts say it will help protect the country from threats such as SARS and bird flu as well as attacks by t

发表于:2019-02-06 / 阅读(104) / 评论(0) 分类 VOA标准英语2008年(九月)

If you're a home gardener you may soon find that the pots you buy flowers and plants in are made from chicken feathers. Yes, tons of feathers that go to waste every year can now be transformed into plastics. Two Washington-area scientists are using f

发表于:2019-02-07 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(五)月

One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic(遗传的,基因的) m

发表于:2019-02-18 / 阅读(107) / 评论(0) 分类 英语新闻

By Anjana Pasricha New Delhi 10 April 2008 Next month, India will unveil a national policy to increase the use of bio-fuel. But, as Anjana Pasricha reports from New Delhi, there is growing concern that increased demand for bio-fuel is contributing to

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 VOA常速英语2008年(四月)
学英语单词
3T3cells
acute fulminating meningococcemia
ague-root
approachable
Army Knowledge Online
arylation
Asterocalamitaceae
be credited with
beglamoured
benensons
biduk
blocked-grid keying
boardsailings
canoeing
change directive
channel electron multiplier
chasing tail
children's librarian education
cloud break
club to solving a case
combinationlathe
contact factor
dstn
elm-lined
eský Krumlov
fact database
failsafety
flow-cytometer
framented transport
Garden Acres
hiccupped
high-floor
home projector
HRK
Hygrophila angustifolia
implied warranty of seaworthiness
kidney joint
laugh-ing
lay-up period
Levicol
Madzhalis
maj gen
man-made surface
mentula
methamphetamines
methoxyflurane
microprocessor controlled PROM
mitanoline
modifier formulas
morphodifferentiation
multiple lipoprotein-type hyperlipidemia
myocardial degeneration disease
nonhomoerotic
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oesophagostomums
offenseful
old cocoyam
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overdetection
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Poitiers, Battle of
pseudointellectualism
q.suff.
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queueing
Rayleigh-wing scattering
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sciophilic
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Trisatin
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