[网络] 原核细菌

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(216) / 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(344) / 评论(0) 分类 Scientific American(十)月

The sight of a grown woman lying on the floor, her wrist pinned down by the foot of someone who was supposed to be caring for her was one of the more shocking images that emerged from Winterbourne View, 一个成年女子躺在地板上,她的手腕被

发表于:2018-12-28 / 阅读(223) / 评论(0) 分类 智慧人生篇章

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(263) / 评论(0) 分类 科技之光

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(272) / 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(262) / 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(384) / 评论(0) 分类 2015年VOA慢速英语(七)月

英语六级考试语法:名词复数的不规则变化 规则变化的复数名词有以下几种构成法。 构成方式 举例说明 构成法1: 改变内部母音字母。 footfeet toothteeth manmen womanwomen mousemice 构成法2: 加字尾en或

发表于:2019-01-17 / 阅读(199) / 评论(0) 分类 大学四六级阅读

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(307) / 评论(0) 分类 经济学人要闻

Delicacy was the key word. Not a whisper of disturbance could be allowed into the room containing the apparatus, so Cavendish took up a position in an adjoining room and made his observations with a telescope aimed through a peephole. The work was in

发表于:2019-01-29 / 阅读(234) / 评论(0) 分类 万物简史

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(240) / 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(314) / 评论(0) 分类 2006年慢速英语(四)月

Science and technology 科学技术 Nanotechnology 纳米技术 A fab result 生物工厂 A novel way of making computer memories, using bacteria 制造计算机存储器的新奇方法:使用细菌 FOR half a century, the essence of progress in th

发表于:2019-02-03 / 阅读(243) / 评论(0) 分类 经济学人科技系列

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(251) / 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(289) / 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(221) / 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(292) / 评论(0) 分类 英语新闻

Science and technology. 科技。 Nanotechnology. 纳米技术。 A fab result. 生物工厂。 A novel way of making computer memories, using bacteria. 制造计算机存储器的新奇方法:使用细菌。 FOR half a century, the essence of prog

发表于:2019-02-19 / 阅读(253) / 评论(0) 分类 经济学人综合

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(294) / 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(296) / 评论(0) 分类 TED演讲教育篇
学英语单词
action bars
adiathermancies
alternate cold and heat
Amomum villosum
anglicas
Anglomanist
arcania elongata
Army special operations component
astronaut
audio frequency magnetic field method
autoscreen film
axonogenesis
batters down
be amused by
bite one's nails
black bombers
cardioexcitatory
cavo-atrial junction
cellulose i structure
Charlie Parker
co-researcher
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crush out of
DBF in
diametral plane of a sphere
diffraction circle of confusion
EAHF complex
electrooptic(al) modulator
exophytic
extraordinary wave
fagin
felsosphaerites
first fundamental form
go for sth
green-apple
have keep a level head
have no time to spare
headfold
immediate surrounding
input disturbance
instrument gas
joining with pegshoulder
kneesy
leak hunt
like the deuce
lipasic
lung congestion
Maesa salicifolia
marinoramas
martinson
matamoross
maternity nurse
mechanical assembly program
metleucauge davidi
micro electrolytic pump
militaru
Miller-Dieker syndrome
modified chord
monomer-polymer
mudflats
multiple spots
muxed
myelapoplexia
ne bis in idem
next big things
non-spore-bearing
not on speaking terms with
nucleotoxin
paleoichnological
parachuting training
percolls
Peristrophe floribunda
photodisc
Plantago rugelii
population crisis
pronominal verbs
regressive offlap
riht
rocked it
sakalowsky
sale by detail
San Pellegrino
self-compensating system
silt soil
Sindiskom
snow-shoeing
soap lye glycerine
sucia
surrogatively
taxi procedure
terrycloth
Theriodide-131
third party intervention
undecanoic amide
unilateral record
vesuvius salt
Whittaker differential equation
winter North Atlantic freeboard
worth the whistle
writing error
Yolhuitz
zinc silicate