[医] [致]病菌

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(802) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(422) / 评论(0) 分类 新东方背诵文选

[00:00.00]Unit 25 [00:05.80]Reading and speaking [00:08.24]A changing city [00:10.53] For centuries,Beijing has been one of China's [00:13.47]most important cities. [00:15.69]Originally a place for emperors and officials, [00:18.14]today it is a weal

发表于:2018-12-13 / 阅读(392) / 评论(0) 分类 北师大版高中英语模块9(选修)

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Kajal is nine years old. She lives i

发表于:2018-12-19 / 阅读(337) / 评论(0) 分类 环球英语 Spotlight

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? We all know to wash our hands after handling raw poultry. But next time youve just cruised down the interstate behind a truck full of chickens or Thanksgiving turkey

发表于:2018-12-24 / 阅读(346) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Its graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas run the risk of coming

发表于:2018-12-24 / 阅读(288) / 评论(0) 分类 Scientific American(五)月

如果你每天都在办公桌前工作,你要注意了.你知道你每天使用的办公桌上有多少细菌吗?数字惊人. 办公室键盘比马桶还脏 Daily Mail: Millions of us spend our days slaving over a keyboard. But lurking between the

发表于:2019-01-01 / 阅读(265) / 评论(0) 分类 双语趣听精彩世界

DEVELOPMENT REPORT -February 18, 2002: Infectious Diseases By Jill Moss This is the VOA Special English Development Report. The World Health Organization and several other United Nations agencies are

发表于:2019-01-07 / 阅读(294) / 评论(0) 分类 农业与发展

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(347) / 评论(0) 分类 VOA常速英语2008年(二月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? A direct effect on human health related to climate change is the likely increase in infectious diseases transmitted by insects or through contaminated water. In the Marc

发表于:2019-01-08 / 阅读(324) / 评论(0) 分类 Scientific American(四)月

HealthReport-GutBacteria:WeAreWhatWeEat This is the VOA Special English Health Report. The human digestive system is full of bacteria -- mostly good bacteria. These organisms help break down food so the body can use the nutrients. Scientists are expl

发表于:2019-01-12 / 阅读(362) / 评论(0) 分类 2011年VOA慢速英语(九)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(523) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Lisa Schlein Geneva 23 August 2007 The World Health Organization warns new and emerging infectious diseases are spreading rapidly around the world threatening the health, economies and security of all nations. This year's World Health Report says

发表于:2019-01-13 / 阅读(425) / 评论(0) 分类 2007年VOA标准英语(八月)

Tools to Fight Infectious Diseases Rely on Public Health Programs A simple bite from a mosquito can end someone's life or change it forever. A sneeze, a handshake or even sharing of a desk can do the same thing. That's how H1N1 - or swine flu - sprea

发表于:2019-01-14 / 阅读(370) / 评论(0) 分类 VOA标准英语2012年(十二月)

This is the VOA Special English Health Report. A boy with HIV at a children's home for AIDS orphans in Nairobi, Kenya AIDS researchers had important news last week. Two studies in Africa confirmed tha

发表于:2019-01-30 / 阅读(426) / 评论(0) 分类 2006年慢速英语(十二)月

BEIJING, Aug. 7 (Xinhua) -- Infectious diseases claimed 1,669 lives on the Chinese mainland in July, with AIDS contributing to 70 percent of the deaths, the Ministry of Health (MOH) said Tuesday. A total of 5,552 AIDS cases, which is categorized as a

发表于:2019-02-05 / 阅读(300) / 评论(0) 分类 英语新闻

A recent study found almost 60 percent of surgical residents admitted they had sustained needlestick injuries when they were medical students. Blunt tip needles, such as this one, are considered safer A recent study shows that medical students and ho

发表于:2019-02-05 / 阅读(386) / 评论(0) 分类 VOA标准英语2010年(二月)

BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac

发表于:2019-02-07 / 阅读(311) / 评论(0) 分类 英语新闻

The outbreak of SARS, bird flu and Mexican swine flu has warned us that new infectious diseases are emerging at an unprecedented rate around the world and spreading faster than ever. It is now generally accepted that global epidemics are threatening

发表于:2019-02-13 / 阅读(310) / 评论(0) 分类 英语作文

We are going to catch things in this podcast, and yes there will be a new phrasal verb as well to catch up with. Like many common English verbs, catch is irregular. The past tense of catch is caught. So, I catch, I caught, I have caught. If you look

发表于:2019-02-19 / 阅读(319) / 评论(0) 分类 听播客学英语
学英语单词
absorbable hemostatic gauze
Administrative Infringement
aggregation of marine cargo
animal phobia
anterio-superior to the ear
bidirectional lines
bigeminals
birthing ball
bitrexes
briary
care assistant
Cathead.
Clarinbridge
Concentration.
cous-cous
cranioclasts
cyanide copper
Dalua, R.
Daphni
dicord system
digital integrated circuit
drill assembly
electronic brain urinalysis instrument
element of
extricate
factory
fatigue curve
finger bang
flat-leaf spring
general shear pattern
have a fear that
have one's head screwed on right
hedgingly
Hyacinthaceae
infinity bus
information processing theory
iron(ii) ethylenediamine sulfate
Kapp putsch
keap
knema pierrei warb.
l-binding energy
layback position
Lucenay-lès-Aix
major-league teams
measuring setup
memmo
micropsychotic
mintzer
Mirzam
mokoena
motion picture analysis
odilo
on the stab
open rod hydrodynamic press
ophiothrix vicina
Osa Peninsula
out-of-dated
Pampa del Infierno
pedologically
permeable construct
pesch
phocaceans
pine-cluster cups
playsure
Poa urssulensis
powderless
prisoners-of-war
quality of fuel
race an engine
raptivist
reichensperger
requests for admission
restraining effect
restricted water
Rieckenberg's phenomenon
saddle gall
safety plate
scabies crustosa
sheet straightening machine
sllurus
speno rail services
square-set cap
Stansmore Ra.
steel stack
sterilized ointment
stourton
straightened
surf
talked through
tambor
three-spin model
tiangui
tinked
toll gatherer
tray gradient
two-step freezing
united states mariness
unpopularity
Urubu, Cachoeira do
vee notch
yacoubs
Zeydi