消除加工硬化

SSS 2011-12-29

nobody likes getting shots, but what if you could make the needles so tiny that they broke skin painlessly. engineers from top university have created such micro needles, made from major protein in silk, fibrolin. the work is in the journal of advanc

发表于:2018-12-02 / 阅读(192) / 评论(0)

Scientific American(十二)月

Release Me

Release Me Please release me, let me go, for I don*t love you anymore. To waste our lives would be a sin. Release me and let me love again. I have found a new love, dear, and I will always want her ne

发表于:2018-12-14 / 阅读(415) / 评论(0)

英文歌曲第二辑

英语情景对话-Pleading Not Guilty in Court(1)

A: Order in the court! B: I would like to make my plea. A: What is it? B: I would like to plead not guilty. A: You do realize that all the evidence points to you? B: I know. But I did not do it. A: How do you figure that? B: I didnt commit the crime.

发表于:2018-12-16 / 阅读(136) / 评论(0)

英语情景对话-犯罪

【英语早间课堂】话说地道美语 Lesson 23(4)

我们来看第一题。中文句子是我曾经在五年前做过监狱，释放后我已经改过自新了，可是人们还是处处找我的茬儿，挑我的刺。英文句子是 one time, I really prison I turned a new leaf, from jail. However

发表于:2018-12-27 / 阅读(118) / 评论(0)

英语早间课堂

机械类词汇大全-28

1135 、晶体点阵；晶体格构；晶格 crystallattice 1136 、棘轮和爪 ratchetandpawl 1137 、棘齿 ratchet 1138 、棘齿弓钻 ratchetbrace 1139 、壳型模塑 shellmoulding 1140 、

发表于:2019-01-03 / 阅读(214) / 评论(0)

英文名句短语

机械类词汇大全-12

463 、自感量 self-inductance 464 、自感应 self-induction 465 、色彩；颜色 colour 466 、色调 tone 467 、色环 colourwheel 468 、行星齿轮；周转齿轮 epicyclicgear 469 、

发表于:2019-01-03 / 阅读(172) / 评论(0)

英文名句短语

CNN 2010-01-15

RANDI KAYE, CNN CORRESPONDENT: We take our shoes off, remove our laptops, and toss our bottled water all in the name of safety. But are we any safer today than we were before 9/11? Not exactly, says Bruce Schneier, author and security technologist. B

发表于:2019-01-08 / 阅读(447) / 评论(0)

CNN2010年(一)月

SSS 2009-11-18

You've probably heard the expression a heart attack on a plate. Maybe its fettuccini alfredo. Or maybe its a bacon cheeseburger, covered in batter and deep fried to artery-clogging perfection. Either way, it's clear that our modern diet is not always

发表于:2019-01-08 / 阅读(184) / 评论(0)

Scientific American(十一)月

机械专业英语词汇（很全）

金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源

发表于:2019-01-08 / 阅读(186) / 评论(0)

英文语法词汇

学个词Learn a Word 第1490课 frenzy

今天我们要学的词是frenzy。 Frenzy, 意思是狂热，狂潮。好莱坞明星情侣布拉德.皮特和安吉丽娜.茱利宣布订婚。Their engagement sparked a media frenzy, 他们俩人的订婚在媒体中引爆狂潮。美国人口普查

发表于:2019-01-08 / 阅读(128) / 评论(0)

英语单词荟萃

第417期:5条小贴士你助你摆脱焦虑

耐心是一种金子般的品质，它和自信同样非常重要的影响着一个人的成就。因为只有耐心的人，才能坚持，持续的做一件事情。正如英国著名的英国政治家和政论作家乔治萨维尔曾说：A man w

发表于:2019-01-17 / 阅读(134) / 评论(0)

卡卡课堂早餐英语

英语听力—环球英语 1322 Making Films

Voice 1 Welcome to Spotlight. Im Ryan Geertsma. Voice 2 And Im Robin Basselin. 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 In January 2010, James Came

发表于:2019-01-19 / 阅读(146) / 评论(0)

环球英语 Spotlight

母亲节特别礼物--阿米对答机

34 母亲节特别礼物--阿米对答机 DATE=5-11-2001 TITLE=AMERICAN MOSAIC #817 - Amy's Answering Machine BYLINE=Nancy Steinbach HOST: (Start at 59

发表于:2019-01-21 / 阅读(439) / 评论(0)

文化聚焦

60秒科学:Pharaohs Had Heart Disease

Darwin in Battle of Wits against Unarmed Man Antievolutionist Ray Comfort will be distributing copies of the Origin of Species with a new introduction that misrepresents, misunderstands and distorts Darwin's ideas and legacy. Steve Mirsky comments No

发表于:2019-01-30 / 阅读(242) / 评论(0)

60秒科学

SCIENCE REPORT - Red Wine and Heart Disease

SCIENCE REPORT – January 9, 2002: Red Wine and Heart Disease By George Grow This is the VOA Special English SCIENCE REPORT. British scientists may have discovered the reason why red wine appears to

发表于:2019-01-30 / 阅读(207) / 评论(0)

科技之光

HEALTH REPORT - Scientists Work on a 'Smart Bomb' Against Ca

HEALTH REPORT - Scientists Work on a 'Smart Bomb' Against Cancer By Cynthia Kirk Broadcast: Wednesday, August 24, 2005 I'm Steve Ember with the VOA Special English Health Report. Scientists have devel

发表于:2019-01-30 / 阅读(151) / 评论(0)

健康与经济

VOA标准英语2008年-Betancourt Calls for Negotiated Release of All

A day after being freed from Colombian rebels, Ingrid Betancourt is calling for new efforts to win the release of other hostages in rebel hands. VOA's Brian Wagner reports Betancourt was one of 15 people freed by Colombian forces on Wednesday. Ingri

发表于:2019-02-03 / 阅读(147) / 评论(0)

VOA标准英语2008年（七月）

英语词汇分类：冶金英语词汇

iron and steel industry 钢铁工业 ironworks 铁厂 foundry 铸造车间 steelworks, steel mill 钢厂 coking plant 炼焦厂 electrometallurgy 电冶金学 powder metallurgy 粉末冶金学 blast f

发表于:2019-02-11 / 阅读(224) / 评论(0)

英文语法词汇

VOA标准英语2008年-Israel to Release Palestinian Prisoners as Good

Israeli and Palestinian leaders met Wednesday in a bid to advance the peace process. Robert Berger reports from the VOA bureau in Jerusalem. Palestinian president Mahmoud Abbas, left, and Israeli PM Ehud Olmert shake hands during meeting in Jerusale

发表于:2019-02-12 / 阅读(140) / 评论(0)

VOA标准英语2008年（八月）

VOA双语新闻：哥伦比亚获救人质吁所有人质获释

A day after being freed from Colombian rebels, Ingrid Betancourt is calling for new efforts to win the release of other hostages in rebel hands. Betancourt was one of 15 people freed by Colombian forces on Wednesday. 哥伦比亚政界人士英格丽德

发表于:2019-02-14 / 阅读(196) / 评论(0)

VOA双语新闻 2008年7月

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学英语单词

a dose of medicine

aecidium mariani-raciborskii