拱内弧半径

【突破英文词汇】extra-outside intra-within

1. extracurricular /ˌekstrəkə'rɪkjʊlə/ -- outside the regular curriculum or course of study Why don't you join an extracurricular activity, such as a club, the school newspaper or a team? 你为什么不参加一项课外活动呢？例如社团

发表于:2018-12-30 / 阅读(112) / 评论(0)

突破英文词汇

马航失联客机在南印度洋坠毁

KUALA LUMPUR, March 24 (Xinhua) -- New analysis of satellite data suggested that missing Malaysia Airlines Flight MH370 had crashed in the southern Indian Ocean, Malaysian Prime Minister Najib Razak said on Monday. Najib released the sad news at a ha

发表于:2019-01-07 / 阅读(142) / 评论(0)

英语新闻

NPR 2011-03-16

Japan's Transportation Ministry has imposed a no-fly zone over a 20-mile radius around the badly damaged Fukushima Daiichi nuclear plant. A military spokesman says the fears of more radioactive particles leaking from the complex after a fire in three

发表于:2019-01-08 / 阅读(77) / 评论(0)

2011年NPR美国国家公共电台3月

英国文化：英格兰湖区牧羊人过着令人着迷的生活

The Herdwick Shepherd, James Rebanks, is the latest of several generations to have tended flocks in the Lake District, but he now has a book and 45,000 Twitter followers entranced by the starkly beautiful scenes he photographs every day. Here he expl

发表于:2019-01-08 / 阅读(110) / 评论(0)

英美文化

与美国小学生一起学英文第4册第6期:月球

Moon 月球 Do you have any idea how big the moon is? 你知道月球有多大吗？ The moon's radius is 1737 kilometers. 月球的半径长1737千米。 This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。 The d

发表于:2019-01-10 / 阅读(87) / 评论(0)

与美国小学生一起学英文第4册

与美国小学生一起学英文第5册第12期:飓风

Hurricane 飓风 A hurricane is also called a tropical cyclone, typhoon, tropical storm and so on. 飓风也被称为热带气旋、台风、热带风暴等等。 A hurricane is a violent storm. 飓风就是猛烈的暴风雨。 It makes strong winds

发表于:2019-01-10 / 阅读(95) / 评论(0)

与美国小学生一起学英文第5册

乔布斯传第118期:像保时捷那样

Like a Porsche 像保时捷那样 Jef Raskin's vision for the Macintosh was that it would be like a boxy carry-on suitcase, 杰夫拉斯金设想中的麦金塔电脑就像一只四四方方的手提箱， which would be closed by flipping up the key

发表于:2019-01-22 / 阅读(85) / 评论(0)

乔布斯传

【文摘】再见，太阳！

Have you ever considered the possibility that the sun will eventually burn out? Don and Yael discuss that sobering thought on this Moment of Science. [OUTSIDE INSECT SOUNDS] D: Wow, what a beautiful s

发表于:2019-01-26 / 阅读(133) / 评论(0)

阅读空间

PBS高端访谈:为什么爱荷华的禽流感爆发的如此猛烈?

HARI SREENIVASAN: As we reported yesterday, the nation's largest egg-producing state, Iowa, has declared a state of emergency following a major outbreak of the avian flu. Millions of chickens and turkeys there and in Wisconsin and Minnesota have been

发表于:2019-01-27 / 阅读(83) / 评论(0)

PBS访谈健康系列

神探夏洛克第一季第二集_17

神探夏洛克第一季第二集_17 夏洛克?福尔摩斯和他截然不同 Sherlock Holmes is nothing at all like him. 你会怎么描述我约翰? How would you describe me, John? 机智活力神秘? 迟到? Resourceful? Dynamic? Enigmatic? La

发表于:2019-01-28 / 阅读(80) / 评论(0)

神探夏洛克第一季

英格兰湖区牧羊人 45000人为之着迷的生活

发表于:2019-02-04 / 阅读(94) / 评论(0)

阅读空间

China to expand food contaminant monitoring

BEIJING, Jan. 25 (Xinhua) -- China has set a goal of equipping at least half of the country's county-level administrative regions to monitor various contaminants and harmful ingredients in food by the end of 2013. A new work plan, released on Friday

发表于:2019-02-06 / 阅读(102) / 评论(0)

英语新闻

WHO Warns Against Self-Medication as Antidote to Radiation

The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

发表于:2019-02-06 / 阅读(251) / 评论(0)

英语新闻

谷歌收购无人机公司

谷歌收购无人机公司 In its latest purchase of high-tech companies, Google has acquired a manufacturer of solar-powered drones that can stay in the air almost indefinitely, relaying broadband Internet connection to remote areas. It is seen as

发表于:2019-02-06 / 阅读(75) / 评论(0)

英语新闻

北京市发布'十三五时期'十项重大基础设施发展任务

Beijing has unveiled 10 major infrastructure construction projects for the coming five years to address some of the challenges faced by the overcrowded metropolitan area. 北京市日前公示了未来五年的10个大型基础设施建设项目，以此

发表于:2019-02-07 / 阅读(74) / 评论(0)

英语新闻

美联社新闻一分钟 AP 2015-07-16

1.Euro zone's top officials executively have talked for a whole week for new bailout programme for Greece to be worked out . Under the deal reached Monday, Greece must take measures to reform its economy inorder to find negotiations on the third mult

发表于:2019-02-11 / 阅读(128) / 评论(0)

美联社新闻一分钟2015(七)月

乔布斯传第421期:消灭兼容机(3)

Apple resisted licensing out the Macintosh operating system until 1994, 苹果一直拒绝把麦金塔的操作系统授权出去，直到1994年， when CEO Michael Spindler allowed two small companies, Power Computing and Radius, to make Macintosh

发表于:2019-02-15 / 阅读(103) / 评论(0)

乔布斯传

北京城市副中心等场所将于2020年率先使用5G网络

Beijing expects to implement the pre-commercial service of the 5th generation mobile networks, or 5G, in key locations by 2020, according to a development plan on big data and cloud computing released by the municipal government. 北京市政府近日发

发表于:2019-02-18 / 阅读(110) / 评论(0)

英语新闻

TED演讲获奖青少年,科技在行动(2)

So my idea was born,and I had the project set up and a hypothesis, 这就是我的想法诞生的过程，然后，我就有了项目的开展和假说， so what was my next step? 那么我的下一步呢？ Well obviously I had to find a lab to wor

发表于:2019-02-21 / 阅读(73) / 评论(0)

TED演讲教育篇

TED演讲:如何在核袭击中生存(8)

Here we go. OK. 好的，我们来亲眼看看吧 I'm back in my truck, and we drove over the Brooklyn Bridge. 回到我刚才提到的卡车，我们把它开到布鲁克林大桥 We're coming down, and we bring that truck that you just saw somewher

发表于:2019-03-04 / 阅读(106) / 评论(0)

TED演讲教育篇

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学英语单词

active entry

additivity of information

automatic replenishing valve

baby-faceds

band exclusion