音标:[,ɔri'fiʃjәm] ;
孔, 口

With the development of science, human life has changed tremendously. People living in the 18th or 19th centuries would never imagine the advanced household appliances we are now able to enjoy. Every aspect of our lives for instance, in the field of

发表于:2018-11-28 / 阅读(260) / 评论(0) 分类 疯狂英语易背作文

Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

发表于:2018-12-07 / 阅读(198) / 评论(0) 分类 创新英语

[00:00.00]Module 8 IN A MUSEUM [00:07.39]UNIT 1 I'm really excited to be here. [00:12.59]1 Listen and read. Then say. [00:17.92]Thanks for bringing me to the Science Museum [00:20.03]today, Dad. [00:21.66]I'm really excited to be here. [00:24.25]Ther

发表于:2018-12-29 / 阅读(153) / 评论(0) 分类 外研社新标准初中英语九年级

1. circumference /səˈkʌmfərəns/ -- distance around a circle or rounded body; perimeter The circumference of a circle equals times the diameter. 圆周长等于与直径的乘积。 2. circumlocution /ˌsɜ:kəmləʊˈkju:ʃən/ -- roundabout way

发表于:2018-12-30 / 阅读(158) / 评论(0) 分类 突破英文词汇

Jason Lewis pedals his boat up the river Thames After 13 years and 46,000 miles (75,00km) a British adventurer has completed a round-the-world journey using human power alone. Jason Lewis, 40, crossed five continents, two oceans and a sea to become

发表于:2019-01-02 / 阅读(219) / 评论(0) 分类 Take Away English

20 The Historical Significance of American Revolution The ways of history are so intricate and the motivations of human actions so complex that it is always hazardous to attempt to represent events covering a number of years, a multiplicity of person

发表于:2019-01-02 / 阅读(501) / 评论(0) 分类 英语范文背诵20篇

Todays episode concerns a what-you-may-have-been-wondering-about topic. That sure was a mouthful, and it illustrates the problem of stacked modifiers, which occurs when you string together too many words to describe a noun at the end of the mouthful.

发表于:2019-01-02 / 阅读(169) / 评论(0) 分类 英语语法 Grammar Girl

Artificial Muscle Brings Back Blink A study in the Archives of Facial Plastic Surgery reports the development of an artificial muscle system that could restore the ability to blink to stroke and injury patients. Cynthia Graber reports Most of us blin

发表于:2019-01-02 / 阅读(249) / 评论(0) 分类 60秒科学

Grammar Girl here. Today guest-writer Bonnie Trenga is going to help us take a break from serious grammar and instead delve into the world of comedysome intentional, some not. Groucho Marx said it best: One morning I shot an elephant in my pajamas. H

发表于:2019-01-07 / 阅读(186) / 评论(0) 分类 英语语法 Grammar Girl

Education Report - A Living Science Exhibit Grows at a Museum This is the VOA Special English Education Report. Outdoors, in the open air, seems like a natural place to study natural science. It also makes sense in a place like Southern California wh

发表于:2019-01-12 / 阅读(201) / 评论(0) 分类 2012年VOA慢速英语(六)月

By Melinda Smith Washington, DC 01 November 2006 watch Walter Reed Amputees A record number of U.S. soldiers injured in Iraq have lost arms and legs in explosions caused by remote-controlled bombs. The need for more comfortable, adaptable artificial

发表于:2019-01-12 / 阅读(220) / 评论(0) 分类 2006年VOA标准英语(十一月)

Doctors Achieve Milestone Using Artificial Heart With No Beat In March, two doctors at the Texas Heart Institute in Houston achieved what medical experts call a major milestone by implanting a continuous-flow artificial heart in a human patient. The

发表于:2019-01-13 / 阅读(189) / 评论(0) 分类 VOA标准英语2011年(七月)

Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 VOA标准英语2011年(四月)

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2011年(二月)

By Al Pessin Honolulu, Hawaii 20 October 2009 Command of U.S. forces in Asia and the Pacific and Indian Oceans passed to a new commander on Monday at a ceremony in Honolulu, Hawaii. Navy Admiral Robert Willard said the U.S. commitment to the region

发表于:2019-01-14 / 阅读(137) / 评论(0) 分类 VOA标准英语2009年(十月)

Grammar Girl here. Today's topic is misplaced modifiers. Of all the writing errors you can make, misplaced modifiers are among the most likely to confuse your readers, but they're also kind of fun because misplaced modifiers can give your sentences s

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 英语语法 Grammar Girl

Researchers have developed a method to activate electronic implants in the body and eliminate bacterial infections using a wireless signal。 研究者已经开发了一种运用无线信号激活人体中电子植入物来消除细菌感染的方法。

发表于:2019-02-08 / 阅读(143) / 评论(0) 分类 英语新闻

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(159) / 评论(0) 分类 英语新闻

U.S. military officials say they have identified the four Marines seen on video urinating on the bodies of dead Afghan Taliban fighters. The Naval Criminal Investigative Service, heading the main inquiry into the video, has also reportedly questioned

发表于:2019-02-08 / 阅读(220) / 评论(0) 分类 英语新闻

Leaders of the Greek and Turkish communities of Cyprus are starting a new series of negotiations aimed at re-unifying the divided island. Cypriot President Demetris Christofias and Turkish Cypriot leader Mehmet-Ali Talat have begun a series of three-

发表于:2019-02-11 / 阅读(212) / 评论(0) 分类 VOA标准英语2010年(一月)