水生细菌

新东方优美背诵短文50篇 Unit48: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 bacteria are u

发表于:2018-11-28 / 阅读(583) / 评论(0)

新概念优美背诵短文50篇

新东方背诵文选 L48 Bacteria

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新东方背诵文选

环球英语 08 Sun Cleaned Water

Voice 1 Hello. Im Marina Santee Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 The sun beats

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环球英语 Spotlight

流利美国口语10.3

W: The air in the city is seriously polluted. M: Yes. I cant even breathe. W: Air pollution endangers our health. M: The government should take steps to solve it. Dialogue 2. W: I cant bear the noise near my house any more. M: Why? Is it that bad? W:

发表于:2018-12-02 / 阅读(157) / 评论(0)

流利美国口语

1-14 军团病

Legionnaires' Disease 1 Legionnaires' disease is a serious and sometimes fatal form of pneumonia 2 . Legionnaires' disease is caused by infection with Legionella bacteria which are found naturally in

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英语沙龙2004全年合辑上

考研背诵50篇——48 Bacteria

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考研背诵50篇

2006年VOA标准英语-Beach Bacteria Leaves Swimmers Stranded at Shor

By Melinda Smith Washington, DC 09 August 2006 watch Beach Pollution report Birds are believed to contribute to the pollution at the beach A prominent environmental organization has called for better monitoring of the water quality along many of Ame

发表于:2019-01-06 / 阅读(215) / 评论(0)

2006年VOA标准英语（八月）

VOA慢速英语2010年-Health Report - Laying the Roots for H

This is the VOA Special English Health Report. Bad teeth can be painful -- and worse. They can even be deadly. Infections of the gums and teeth can release bacteria into the blood system. Those bacteria can increase the chances of a heart attack or s

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2010年慢速英语(三)月

SSS 2008-09-16

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

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Scientific American(九)月

SSS 2009-11-16

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

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Scientific American(十一)月

2006年VOA标准英语-Fourth World Water Forum in Mexico Discuss

By Greg Flakus Mexico City 22 March 2006 watch Water Forum report At the Fourth World Water Forum in Mexico City, 11,000 people representing 130 nations have been looking for ways to protect the vital

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2006年VOA标准英语（三月）

VOA慢速英语 2008 1202a

This is the VOA Special English Agriculture Report. The search for new fuels has led some researchers to algae. Algae is a name for thousands of different organisms. They include single-celled plants as well as kelp and other large plants. Blue-gree

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VOA慢速英语2008年（十二）月

VOA慢速英语 2008 1202b

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VOA慢速英语2008年（十二）月

VOA慢速英语 Olympic Committee to Test Rio's Water for Viruses

AS IT IS 2015-08-06 Olympic Committee to Test Rio's Water for Viruses Rio de Janeiro, Brazil is busy preparing for the 2016 Olympics. On Sunday, the International Olympic Committee said it will begin testing the waters where swimmers and other athlet

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2015年VOA慢速英语(八)月

经济学人49:清洁水源生命的银丝带

Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion peopl

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经济学人科技系列

经济学人231:清洁水源 Clean water

Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion people lack clean waterand in most

发表于:2019-02-17 / 阅读(173) / 评论(0)

经济学人综合

双语有声阅读：Bacteria

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(177) / 评论(0)

双语有声阅读

New Study Warns of Widespread 'Superbugs'

Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi

发表于:2019-02-18 / 阅读(165) / 评论(0)

英语新闻

TED演讲：细菌是怎样交流的(4)

The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来，我们再来看一个海

发表于:2019-03-04 / 阅读(237) / 评论(0)

TED演讲教育篇

TED演讲：细菌是怎样交流的(3)

What was actually interesting to us was not that the bacteria made light, but when the bacteria made light. 事实上，我们感兴趣的部分并不是细菌会不会发光，而是细菌何时发光。 What we noticed is when the bacteria were alo

发表于:2019-03-04 / 阅读(224) / 评论(0)

TED演讲教育篇

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