细菌染色质体

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(441) / 评论(0) 分类 新概念优美背诵短文50篇

Body Signs 不容忽视的人体警讯 by Rebecca Fratzke We sometimes need expensive tests to determine our state of health, but often our bodies tell us all we need to know. Growing up, we're taught which bodily signs are causes for concern. _(1)_

发表于:2018-12-08 / 阅读(96) / 评论(0) 分类 常春藤解析英语

This is the VOA Special English Health Report. Even minor cuts can become infected if they are left untreated. Any break in the skin can let bacteria enter the body. An increasing number of bacterial skin infections are resistant to antibiotic medic

发表于:2018-12-15 / 阅读(42) / 评论(0) 分类 VOA慢速英语2008年(一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As long as there have been mice, people have sought a better mousetrap. And since we figured out that bacteria can make us sick, weve searched for better

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(十)月

Do fungi hava a food fetish? When researchers map the fungal species living on the surface of human body, they found a skin on the feet harboured the most diverse fungal community. The work is in the Journal Nature. Our skin play host to a huge varie

发表于:2018-12-24 / 阅读(63) / 评论(0) 分类 Scientific American(五)月

台湾籍旅美老师今天交给我们的句子是: The feeling of young love is unique and impossible to replace or replicate because we can only be that age once. 青涩的恋情是独一无二的,并且也是不可替代的。因为我们只能

发表于:2018-12-25 / 阅读(54) / 评论(0) 分类 留美老师带你每日说英文

HEALTH REPORT -May 29, 2002: Staph Vaccine By Nancy Steinbach This is the VOA Special English Health Report. American researchers say they have developed the first vaccine medicine that can prevent a

发表于:2019-01-02 / 阅读(72) / 评论(0) 分类 健康与环境

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

发表于:2019-01-06 / 阅读(73) / 评论(0) 分类 VOA2003(上)-健康资讯

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 Scientific American(一)月

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(七)月

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(101) / 评论(0) 分类 英语杂谈

Mucus: Your Friend Against Bacteria 粘液助你对抗细菌 When you are sick with a cold or the flu, you may have a runny nose. Why is it called a runny nose? Because of the mucus flowing and dripping from your nose. Yucky! But, guess what? Mucus i

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2016年VOA慢速英语(一)月

AS IT IS 2016-08-05 Spread of Disease Linked to Sandstorms in Sahel 萨赫勒疾病的传播或与沙尘暴有关 Sandstorms are a major part of life in the Sahel area in Africa. 沙尘暴是非洲萨赫勒地区常见的天气。 The Sahel stretches

发表于:2019-01-12 / 阅读(114) / 评论(0) 分类 2016年VOA慢速英语(八)月

That's where those unpleasant symptoms come in, starting with the surging temperature, aches and pains, and sleepiness. 那就是引起不适症状之所在开始时,体温剧升、肌肉酸痛及昏昏欲睡。 So why do we experience this? 为什么

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

雅思写作开头段常用思路 1.介绍当前背景、现象、形势+说出自己的观点 例1: As the competition for college education becomes severe, more and more parents begin to pay special attention to their childrens early education.

发表于:2019-02-12 / 阅读(115) / 评论(0) 分类 雅思英语

The antimicrobial triclosan is a common ingredient in hand soap. But it's also found in shampoos, deodorants, toothpaste, even lip gloss. So it's not too surprising that triclosan also shows up in blood, urine, breast milk and mucus. But here's the w

发表于:2019-02-14 / 阅读(178) / 评论(0) 分类 2016年Scientific American(八)月

Bacteria and behaviour 细菌和行为学 Gut instinct 肠道反应 Tantalising evidence that intestinal bacteria can influence mood 逗引的证据表明,肠道细菌可以影响人的情绪 Sep 3rd 2011 | from the print edition A GOOD way to make

发表于:2019-02-17 / 阅读(68) / 评论(0) 分类 经济学人综合

One of the odder aspects of infection is that microbes that normally do no harm at all sometimes get into the wrong parts of the body and go kind of crazy, 感染有许多古怪的方面。其中之一是,有些在正常情况下完全无害的微生

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 万物简史

48 Bacteria 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 bac

发表于:2019-02-17 / 阅读(63) / 评论(0) 分类 双语有声阅读

But then if you think about it, the squid has this terrible problem 但是如果你再深入地想一下,这乌贼会有一个可怕的问题, because it's got this dying, thick culture of bacteria and it can't sustain that. 因为在它的体内,

发表于:2019-03-04 / 阅读(109) / 评论(0) 分类 TED演讲教育篇
学英语单词
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allowable limit of vibration to human body
amay
bacteroides nodosus
biastigmatism
bishopries
book confirnation
Briggsia pinfaensis
bubble transfer switch
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card spider
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decension
denize
Distributed Network System
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eustatic chart
externally operable part
ferrophytin
finished pieces
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foldbelt
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foot oil
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Fort Hertz
generalized solution of Lagrange
genus Polyergus
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Goldscheider's test
grand inquest
hadite
hazees
homalonotids
in-kind subsidy
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intermuscular bone
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kinematic(al) parameter
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man-hour requirement
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mezzotint
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Nageotte cells
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Neckereae
needfully
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out of consideration for
pohlia wahlenbergii
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Primula cawdoriana
Préchacq-les-Bains
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Richter motor
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Saxonical
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Surigao del Sur, Prov.of
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