威尔金森触媒；威尔金森催化剂

SSS 2008-12-31

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(188) / 评论(0)

Scientific American(十二)月

【英语语言学习】原始人的饮食、生活方式与健康状况

Robyn Williams: And so to a mummies aspect that did not get celebrated at all last weekend, and there are plenty of them. This is Wendy Zukerman: Wendy Zukerman: For 7,000 years we humans have mummified our dead. Yes, the ancient cultures of Chile, E

发表于:2018-12-28 / 阅读(143) / 评论(0)

英语语言学习

Animals Like Video Games, Too

At the Aquarium of the Pacific in California, the penguins have something in common with bird keeper Sara Mandel's cats. Both animals like games on a tablet computer. I had actually purchased this game in the app store for my cats, said Mandel. Then,

发表于:2019-01-02 / 阅读(154) / 评论(0)

2017年VOA慢速英语(八)月

巧解GRE填空的两个小技巧

为实现自己的留学之梦，无数学生默默地在GRE考试中付出自己辛勤的汗水。所有GRE高分故事背后都有值得我们学习的GRE备考经验。相信这样的一个个GRE高分故事能够在你备考GRE考试的过程中送

发表于:2019-01-03 / 阅读(281) / 评论(0)

GRE英语

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(183) / 评论(0)

Scientific American(八)月

SCIENCE IN THE NEWS #2115 - Digest

12 科技新闻摘要（一） DATE=3-13-01 TITLE=SCIENCE IN THE NEWS #2115 - Digest BYLINE=Staff VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Sarah Long with Science in the News, a VOA Spec

发表于:2019-01-07 / 阅读(179) / 评论(0)

科技之光

大学双语美文：孩子教会我的快乐

Every morning my daughter and I go for a twenty-minute walk to my workplace. For me, in those twenty minutes, Im in transit. For my toddler, its nothing less than a parade of flowers, fire trucks, pebbles, and friendly folk. 每天清晨，我的女儿

发表于:2019-01-08 / 阅读(156) / 评论(0)

阅读空间

VOA标准英语2008年-2000 Olympic Champion Diver Laura Wilkinson Aim

By Teresa Sullivan Washington 09 May 2008 2000 Olympics champion Laura Wilkinson of the United States has won a gold medal in every major world competition in platform diving. The 30-year-old is considered a strong contender to earn a spot on the 200

发表于:2019-01-09 / 阅读(117) / 评论(0)

VOA标准英语2008年（五月）

2007年VOA标准英语-Former US Nuclear Missile Site Open to Public

By Greg Flakus Cactus Flat, South Dakota 21 June 2007 During the Cold War, the United States and the Soviet Union targeted each other with thousands of missiles armed with nuclear warheads. Both countries took measures to prevent human or mechanical

发表于:2019-01-13 / 阅读(148) / 评论(0)

2007年VOA标准英语（六月）

VOA标准英语2011-'Born Free' Reflects Organic Blues-Based

Kid Rock describes his latest album, Born Free, as organic blues-based rock and roll. Born Free is Kid Rock's first new album in more than three years. He left the comforts of his home studio in Detroit, Michigan to record the collection in Los Angel

发表于:2019-01-14 / 阅读(189) / 评论(0)

VOA标准英语2011年(一月)

职场晋升真的男女平等吗

职场晋升真的男女平等吗 A study shows a large gap in perceptions among the sexes in who has more opportunities for advancement -- men or women. 职场中男性与女性谁有更多的晋升机会？一项针对该话题的调研显示，男士

发表于:2019-01-15 / 阅读(189) / 评论(0)

实用英语

9/11 Proves a Catalyst for NGOs to Help Those Affected by the Tragedy

It's been 10 years now since the attacks on September 11, 2001 that killed thousands in America. For families and friends of those killed, the pain is still raw. However, the tragedy has proved a catalyst for one organization to rise out of the rubbl

发表于:2019-01-19 / 阅读(183) / 评论(0)

世界各地新闻集锦

GRE填空解题攻略流程

GRE频道为各位考生整理了带你领略GRE填空解题流程，供考生们参考使用，更多GRE辅导请继续关注新东方网GRE频道。 1.逻辑关系 GRE填空考察的就是整体逻辑语言的能力，考生的任务就是找出句子

发表于:2019-02-01 / 阅读(168) / 评论(0)

GRE英语

十年人生“杯洗具”

在即将挥别过去十年之际，试问中国最流行的网络语录是哪一句?相信很多人都会提到人生就是一个杯子，而它是杯具还是洗具，全由你自己选择。 What are Chinas most popular online slang terms as we ap

发表于:2019-02-01 / 阅读(154) / 评论(0)

英文语法词汇

职业女性为何止步公司中层？

Why do so many working moms careers stall out when they hit middle management? Disagreement over the answer has often sparked hot debate. 为什么很多上班妈妈当上中层管理人员后其职业生涯就陷入停滞？对这个问题的不同回

发表于:2019-02-18 / 阅读(150) / 评论(0)

实用英语

信息安全软件展会上吸引眼球

Recent internet mishaps that victimized giant online service providers Alipay and Ctrip have again sparked concerns over information security in China. Chen Wei from the Ministry of Industry and Information Technology calls on the country's software

发表于:2019-02-18 / 阅读(134) / 评论(0)

英语新闻

缤纷的咖啡文化（图）

Give me a decaf triple vente, 2 pump vanilla, non-fatm extra hot, stirred, no foam caramel macchiato with whip cream and caramel sauce top and bottom. 给我一杯热的、无咖啡因和泡沫的香草糖浆脱脂加奶油浓缩式焦糖玛奇朵咖啡

发表于:2019-02-18 / 阅读(206) / 评论(0)

阅读空间

咖啡文化——五彩缤纷

发表于:2019-02-18 / 阅读(342) / 评论(0)

阅读空间

How Well Are You Performing in Your Different Roles?

How Well Are You Performing in Your Different Roles? Each day, you play a number of different roles in both your professional and your personal life. Your professional world is a large part of what you do but if youre striving for excellence in this

发表于:2019-02-20 / 阅读(120) / 评论(0)

阅读空间

TED演讲:科技为人道主义带来的变化

The humanitarian model has barely changed since the early 20th century. 人道主义的模型自从20世纪初期就几乎没有改变过 Its origins are firmly rooted in the analog age. 它的起源在模拟时代就根深蒂固了 And there is a ma

发表于:2019-03-04 / 阅读(195) / 评论(0)

TED演讲教育篇

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balanced reservoir

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blade surface development

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