有机电子传输材料

英文杂志-Physics

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(149) / 评论(0)

英文杂志-Magazine

WWOOF: World-Wide Opportunities on Organic Farms

By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti

发表于:2018-12-07 / 阅读(152) / 评论(0)

VOA2003（下）-农业与经济

SSS 2011-09-27

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(173) / 评论(0)

Scientific American(九)月

情景英语口语100主题 031transport交通运输

031 transport Words Bus train bicycle car boat ship motorcycle van truck tram ferry barge speedboat yacht Coach airplane helicopter balloon minibus cruise ship scooter airport shuttle bus light railway Subway commuter train platform terminal bus/rail

发表于:2018-12-25 / 阅读(128) / 评论(0)

情景英语口语100主题

VOA慢速英语20060228a

AGRICULTURE REPORT - Bird Flu: Composting the Remains of Farm BirdsBy Mario Ritter Broadcast: Tuesday, February 28, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers usuall

发表于:2019-01-02 / 阅读(120) / 评论(0)

2006年慢速英语（二）月

VOA慢速英语2017 三位化学家获得诺贝尔化学奖

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(235) / 评论(0)

2017年VOA慢速英语(十)月

每日一词【1030】organic：有机的，绿色的

今天我们要学的词是organic。 Organic, 有机的，绿色的。 Organic product, 有机产品。近年来，美国很多消费者开始崇尚绿色、有机食品。不过，统计数字显示， Organic food accounted for only 3.5% of the fo

发表于:2019-01-11 / 阅读(147) / 评论(0)

英语每日一词

VOA慢速英语-Agriculture Report - Much About Mulch

Why mulching is one of the best things to do for plants. Transcript of radio broadcast: 14 July 2008 This is the VOA Special English Agriculture Report. Mulch is spread in a city park in Atlanta, Georgia Mulch is important to farmers. Mulch is a pro

发表于:2019-01-11 / 阅读(137) / 评论(0)

VOA慢速英语2008年（七）月

VOA慢速英语 2007 0403a

This is the VOA Special English Agriculture Report. Spreading mulch Mulch is important to farmers. Mulch is a protective cover of material that is spread on top of soil. It is usually made out of organic material, like crop waste. Farmers may keep t

发表于:2019-01-11 / 阅读(136) / 评论(0)

VOA慢速英语2007年（四）月

闭着眼睛飘单词四级词汇32

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的橡皮图,松紧带肘,肘部较老的,年长的 [1:2.6076]elect electrical electron选举,推选电的,电气科学的电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(239) / 评论(0)

闭着眼睛飘单词四级词汇

TED演讲:为什么玻璃是透明的(2)

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(137) / 评论(0)

TED演讲教育篇

London Transport 伦敦的公交系统

The script of this programme 本节目台词 Tubes and buses are the best way to get round London. John: Hi, and welcome to BBC Learning English. I'm John. Oliver: 大家好，我是 Oliver。 John: Today we're going to find out all about public transport in Lo

发表于:2019-01-18 / 阅读(256) / 评论(0)

都市掠影

AGRICULTURE REPORT - Mulch

AGRICULTURE REPORT - September 3, 2002: Mulch By George Grow This is Bill White with the VOA Special English AGRICULTURE REPORT. Mulching is one of the best things people can do for their plants. Mulc

发表于:2019-01-30 / 阅读(167) / 评论(0)

农业与发展

AGRICULTURE REPORT - Food for Crops: How to Get the Most Fro

AGRICULTURE REPORT - Food for Crops: How to Get the Most From Organic Fertilizer By Mario Ritter Broadcast: Tuesday, August 23, 2005 I'm Shep O'Neal with the VOA Special English Agriculture Report. Th

发表于:2019-01-30 / 阅读(179) / 评论(0)

农业与发展

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(161) / 评论(0)

实用英语

微电子辞典-2

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(146) / 评论(0)

实用英语

London's transport may affect 2012 Olympics

LONDON, April 14 (Xinhua) -- Londay's local city government said on Thursday that the city's transport infrastructure is still one of the biggest risks to the running of the 2012 Olympic Games. Val Shawcross, chairman of the London Assembly transport

发表于:2019-02-07 / 阅读(150) / 评论(0)

英语新闻

Russia should beef up transport security: Medvedev

MOSCOW, Jan. 27 (Xinhua) -- Russia should adopt tougher security measures（安全措施） to ensure transport safety, Russian President Dmitry Medvedev said here on Thursday after he came back from the Davos Forum. The president visited Moscow's su

发表于:2019-02-17 / 阅读(170) / 评论(0)

英语新闻

双语有声阅读：显微技术

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(164) / 评论(0)

双语有声阅读

留美老师带你每日说英文第456期:血液的作用

台湾籍旅美老师今天交给我们的句子是： Blood is the tissue that not only carries cells that transport oxygen, for example, the red blood cells, or fights infectious diseases, but it also carries messenger molecules, hormone-like facto

发表于:2019-03-05 / 阅读(162) / 评论(0)

留美老师带你每日说英文

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学英语单词

abundance curve

additional dynamic load

adsorbed substance

Agis II

ambroside

Arctocephalus philippi