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(82) / 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(164) / 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(87) / 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(103) / 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(62) / 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(108) / 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(138) / 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(187) / 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(130) / 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(135) / 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(68) / 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(137) / 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(78) / 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(191) / 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(91) / 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(114) / 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(89) / 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(87) / 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(149) / 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(136) / 评论(0) 分类 TED演讲教育篇
学英语单词
Acer maximowiczianum
Aethelberht I
air medicine
aluminous slag
AMY2
ayumi
battles of austerlitz
bidri
Bihār Sharīf
bowed dulcimer
capital of South Korea
carbon-drop
cash items department
centralized intelligence
chloe anthony woffords
chondrodystrophia hyperplastica
cirrostratus duplicatus
coefficient of stiffness
common security
conceptive
counterfeit trade-marks
crotonismus
cryptoporticus
cumulative stability constant
cupric selenate
D. S. D.
dabbles
desalination by reverse osmosis process
detector block
Drusus, Nero Claudius
EDVAC
Flavopen
fluoro-niobium-complex
forwarding order
Friedel-Crafts reaction
gencors
genotypic sex determination
green yellow
haemaphysalis kitaokai
hollop
Hydrochoerus capybara
hydrothermal glaciology
in favour
index-number
jamka
job opportunity
latent parameter
laylay
malaria parasite
mayete
memocide
methylthiolethyl alcohol
micro-cross-bedding
mid ridge
mind blowing
mixed natural juice
netherlands school
Nicolette
nonalphanumeric
nonanterior
notelike
oenophily
overdimension container
Pachysolen
partial discharge measurement
pentacta nipponensis
photo electron spectroscopy
runway axis
Saururus L.
SEC
semi-subsistence
setstate
settlement plate
Shikamachi
shufflingly
sinterstation
solid phase pressure welding
specular microscope
standard heat consumption
star-journal
superrepressed
symphyogyna tosana steph.
syphilitic bubo
Tilemsi
transformation gain
twinborn
two-sided ideal
udrih
ultraviolet photocell
Umbria, Pta.
un-Japanese
universal bulk ship
USDL
Uttenreuth
verily
welfare-to-work
whatyou
wood-based hard fibreboard
yagi
zili
zodiacal star