[网络] 肠病原体

I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 唐,我有个小问题想问你,埃博拉病毒、炭疽热和禽流感这些疾病有哪些共同的特点? Researching Disease 疾病研究

发表于:2018-12-28 / 阅读(177) / 评论(0) 分类 初学者听力文摘精选

Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 60秒科学

The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to have potential as bioweapons. The Bush administration increased funding for research on such toxi

发表于:2019-01-02 / 阅读(225) / 评论(0) 分类 60秒科学

By Cindy Saine Capitol Hill 22 September 2009 Senators Joseph Lieberman (r) and Susan Collins prior to start of committee's hearing on Weapons of Mass Destruction Prevention and Preparedness Act of 2009, on Capitol Hill, 22 Sep 2009 Two U.S. senator

发表于:2019-01-13 / 阅读(203) / 评论(0) 分类 VOA标准英语2009年(九月)

There's a good reason why people should be concerned about having a healthy environment containing lots of animal and plant species. A new study says the loss of biodiversity may make humans more vulnerable to infectious diseases. Biodiversity is one

发表于:2019-01-13 / 阅读(273) / 评论(0) 分类 VOA标准英语2010年(十二)月

DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI

发表于:2019-01-16 / 阅读(294) / 评论(0) 分类 2017年NPR美国国家公共电台9月

Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas

发表于:2019-02-01 / 阅读(192) / 评论(0) 分类 VOA常速英语2013年(八月)

台湾籍旅美老师今天交给我们的句子是: But keep in mind that as long as youre not transferring any infectious pathogens, increasing the diversity in your body is actually a very good thing. 但记住只要你不是在交换任何传染性

发表于:2019-02-14 / 阅读(238) / 评论(0) 分类 留美老师带你每日说英文
学英语单词
active autofocusing
AHVC (automatic high-voltage control)
anterior arculus
arce
attack aircraft carriers
backlogging
BAL (branch and linkage)
bar length from face of support
biperiodic
biphosphatase
bird coop
blood-suckings
carbanite
chromosonal disorder
chrysolophuss
collenchymatous cell
colour soil
detached houses
dispersion electron
distortor oris muscle
Dubenki
early-dry mortar strength test
East Hardwick
econtourism
ecpatia longinquuva
Elaeagnus tubiflora
emergency lighting storage battery
emphasized second marker
environmental suvey satellite (essa)
external maxillary vein
facilitation of trade procedure and documentation
fault freedom
fertility function
first guider
flagellum movement
frequency aging
function inverse
Ginoles
glebe houses
graders
grape skin
half round batten
harmonic motion cam
hateblogs
herbaceous stems
Herodotan
hippety
hissation
holothurins
hypocycloid
instrumentalised
jayvees
jugulare
little by little
luteoskyrin
mobbing and rioting
molecular speed
myelomatosis multiplex
nail-bomb
nelson effect
nonsubscripted integer variable
nutsche filter
one less
one-fifth
optimun seeking method
penknife ice
period meter
Pinkman
pisanianura breviaxe
plate engraving ink
pod mahogany
preselector mechanism
quillons
radiochemicals
renormalizability
rigging diagram
sanification
semi-topping cutter
separate blade
side slipping
simple harmonic motion
single speed motor
Siouan languages
slashdom
standing financing contract
steam ejector gas-freeing system
Striatites
strong evidence
structural phase transformation
subergorgia suberosa
sukowa
support band
swing boat davit
torque converter size
townless
track fixtures
tropicalupland rice soils
unpreparing
virtual hardware
watch your back
wire precipitator
yadavs