[医] 空气细菌

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(517) / 评论(0)

新概念优美背诵短文50篇

What people Dont Know about Air

Most of them travel 40,000 miles to a satellite and then back to earth. Ten years ago, a satellite was capable of receiving and transmitting more than 33,000 telephone conversations simultaneously. No

发表于:2018-12-01 / 阅读(210) / 评论(0)

自考英语（一）78讲

Without air, there would be no fire

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(261) / 评论(0)

自考英语（一）78讲

新东方背诵文选 L48 Bacteria

发表于:2018-12-01 / 阅读(217) / 评论(0)

新东方背诵文选

Lesson 104 We Need Fresh Air

Joan : Boy, it's really stuffy here. Drake : You're right. We need some fresh air. Joan : Let's turn on the air-con. Drake : Why not just open the window? Joan : That's even better. 我们需要新鲜空气琼：乖乖，这里面可真闷啊。德雷

发表于:2018-12-08 / 阅读(322) / 评论(0)

赖世雄初级美国英语

新概念二Lesson 79 By air

Lesson 79 By air 乘飞机 First listen and then answer the question. 听录音，然后回答以下问题。 Why did the plane turn back? I used to travel by air a great deal when I was a boy. My par

发表于:2018-12-08 / 阅读(343) / 评论(0)

新概念英语第二册

英乐时空Walking In The Air

Walking in the Air 空中漫步 We're walking in the air 我们在空中漫步， We're floating in the 1)moonlit sky 在月光点亮的天空中飘浮。 The 2)people far below are sleeping 在我们飞

发表于:2018-12-13 / 阅读(143) / 评论(0)

英乐时空

SSS 2008-09-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

发表于:2018-12-24 / 阅读(142) / 评论(0)

Scientific American(九)月

SSS 2010-03-16

They say that who you hang out with says a lot about who you are. Well, the microbes that hang out on your fingers can point to exactly who you are. Because scientists at the University of Colorado in Boulder have been able to identify individuals ba

发表于:2018-12-24 / 阅读(131) / 评论(0)

Scientific American(三)月

79. In the air

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town.

发表于:2019-01-03 / 阅读(244) / 评论(0)

英汉幽默故事选读

VOA常速英语2008年-Antibiotic-Resistant Bacteria Poses Threat to P

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(143) / 评论(0)

VOA常速英语2008年（二月）

VOA慢速英语2011--Gut Bacteria: We Are What We Eat

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(167) / 评论(0)

2011年VOA慢速英语(九)月

Experts: Let Produce Dry Out to Avoid Bacteria

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(251) / 评论(0)

2015年VOA慢速英语(七)月

英语歌曲:Lark in the clear air

Lark in the clear air Cara Dillon Dear thoughts are in my mind 这甜蜜的想法在我的思绪中 and my soul it soars enchanted, 我的心绪像被施法般沉醉 As I hear the sweet lark sing 就像云雀清脆甜美的歌声 in the clear air of

发表于:2019-02-04 / 阅读(140) / 评论(0)

好听的英文歌曲

Australia's Qantas back in the air

SYDNEY, Oct. 31 (Xinhua) -- Australia's airline Qantas planes will be back in the air some time on Monday afternoon after Fair Work Australia (FWA) ruled to terminate Qantas industrial action, local media reported on Monday. Tens of thousands of pass

发表于:2019-02-07 / 阅读(138) / 评论(0)

英语新闻

Using bacteria to generate energy hopeful

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(115) / 评论(0)

英语新闻

英文歌曲:I Need Air

I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat

发表于:2019-02-11 / 阅读(159) / 评论(0)

好听的英文歌曲

英语歌曲:周五晚上Pub见Magnetic Man - I Need Air

周五晚上Pub见：Magnetic Man - I Need Air Magnetic Man，来自英国的新人，这首电子风的新单曲本周同样杀入英国单曲榜前十一周上榜那么多舞曲，生活需不需要这么五彩缤纷啊这张单曲封面要不要这么

发表于:2019-02-14 / 阅读(177) / 评论(0)

流行英文歌曲

In the air

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

发表于:2019-02-18 / 阅读(198) / 评论(0)

趣味英语

美国习惯用语:320 thin air; come up for air

今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气

发表于:2019-02-18 / 阅读(206) / 评论(0)

美国习惯用语

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学英语单词

Andropogon virginicus

angle of zenith

arms of assumption

artificial sampling

balanced assignment problem