步行虫状桿菌

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(121) / 评论(0) 分类 VOA标准英语2012年(九月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(208) / 评论(0) 分类 Scientific American(十)月

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(129) / 评论(0) 分类 科技之光

DEVELOPMENT REPORT – October 21, 2002: Meningitis in Africa By Jill Moss This is the VOA Special English Development Report. Health experts from Africa and international aid agencies have agreed on

发表于:2019-01-02 / 阅读(146) / 评论(0) 分类 农业与发展

Abductors - muscle taking a limb or the jaw away from the body. Acetyl choline - Aneurotransmitter substance found at all cholinergic synapses including those of motoneurones at the neuromuscular junc

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(四)月

The US House is expected to vote this hour on whether to extend expiring tax cuts for everyone, including the wealthy. NPR's Andrea Seabrook reports the issue's been generating heated debate. Democrats say they want to keep lower tax rates from middl

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 2010年NPR美国国家公共电台12月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(250) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Jim Teeple Jerusalem 26 January 2006 Palestinian supporters of Islamic Hamas wave flags and hold weapons during a rally in the southern Gaza Strip refugee camp of Khan Younis The Palestinian cabine

发表于:2019-01-13 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(一月)

New Treatment Potential Found in Popular TB Drug Scientists say new insights into a common tuberculosis drug will make it possible to shorten the treatment period for patients infected with TB. The drug pyrazinamide is widely used in combination with

发表于:2019-01-14 / 阅读(168) / 评论(0) 分类 VOA标准英语2011年(八月)

Water allows the sand grains to flow to gather and intermingle and form more complex structures. In the same way, water acts like a cocktail mixer, allowing the atoms and molecules to come together, and also may form the building blocks of life. All

发表于:2019-01-22 / 阅读(102) / 评论(0) 分类 自然百科2010年

Business this week 一周商业要闻 Britain's recovery gathered pace. 英国经济加快复苏脚步。 Industrial output grew by 1.2% year on year, the fastest rate since January 2011, with manufacturing up by 2%. 工业产出与去年同期相比增

发表于:2019-01-26 / 阅读(186) / 评论(0) 分类 经济学人要闻

AGRICULTURE REPORT - Going Biotech on the Farm: Second of Two PartsBy Mario Ritter Broadcast: Tuesday, May 02, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers from a numb

发表于:2019-01-30 / 阅读(120) / 评论(0) 分类 2006年慢速英语(五)月

AGRICULTURE REPORT - Going Biotech: A Spanish Farmer Discusses His ExperienceBy Mario Ritter Broadcast: Tuesday, April 25, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. The Bio

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 2006年慢速英语(四)月

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(133) / 评论(0) 分类 英语新闻

Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中,老鼠的后续检查是观察中脑腹侧被

发表于:2019-02-16 / 阅读(174) / 评论(0) 分类 经济学人科技系列

She found that, while the genetically engineered mice and the BTBR mice had, as expected, reduced levels of L. reuteri, 她发现,虽然经过基因编辑的老鼠和BTBR老鼠体内的罗伊氏乳杆菌果然有所减少, and those with bacteria

发表于:2019-02-16 / 阅读(129) / 评论(0) 分类 经济学人科技系列

WASHINGTON, Sept. 27 (Xinhua) -- At least 13 people had been killed amid 72 sickened in 18 states in listeria outbreak traced to Colorado cantaloupes, making it the most deadly U.S. outbreak of food-borne infection since 1998, the Centers for Disease

发表于:2019-02-18 / 阅读(154) / 评论(0) 分类 英语新闻

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(182) / 评论(0) 分类 万物简史

These bacteria are not passive riders, these are incredibly important, they keep us alive. 这些细菌不是顺从的乘客,他们难以置信得重要,他们让我们活着。 They cover us in an invisible body armor that keeps environmental in

发表于:2019-03-04 / 阅读(176) / 评论(0) 分类 TED演讲教育篇
学英语单词
accentless
anion gap
arrival quality
association for specialists in group work(asgw)
autonomous export quota
bioritsensis
bunker quantity on arrival
CCL60
cheese eyeing
China Ocean Shipping Company Chartering Department
chorioidopapilloma
coil antenna
colloquializations
Commodities Offence and Penalty Regulations
conspectuity
deed of charter of ship
deem
deferentivesical
define type file
derived resistance
deverbalising
dinogunellin
dust chamber
emulator system
equiphase zone
esmarelda
evgeni
exhaust steam pressure
fin shaft
flotation tailing
fore-anent
frager
fugene
give a dare
greenthumb
hard-solder joint
heater type cathode
hedonal
high-labial wire
honeyedly
igsfs
in a bind
inaccessible value
infra-axillary region
installation on vessels in service
interleague
isorhas
lairage
lemonheads
lookout man
masigel
mass spectroscopies
mental cases
millardet
mindest
N-radiation
neuropsychiatry
oil-in-water drilling fluid
Omawhaw
oral sexes
orioluss orioluss
overcompression cloud chamber
parking distance control
particle static
payments system
pre-copernican
price revision formula
primordial radionuclide
qala-i-jangi
Rachels-Berg
radio recombination lines
ramsyn
ramus biventricus
ranklings
rated tonnage
rectifier power supply
right fibrous ring
riqq
Risolid
rubber extender
Ryūjin
safety cape
samaric hydride
sciapus latitarsus
septomete
shifting current
single-junction photosensitive semiconductor
skylink
sorcha
square tango
stasia
sterlinghillite
story reel
sub-ject
system set
telemetering terminal equipment
toerings
ultralow temperature element
vitamin b5 (nicotinic acid)
xeta
yachtswoman
Yarkul'