激光制导导弹

Medieval siege 中世纪攻城战-5

With the manuscript as a starting point, Wayne used a combination of engineering theory and trial and error to come up with a working model.

发表于:2018-12-07 / 阅读(180) / 评论(0)

中世纪攻城战

VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

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VOA常速英语2008年（四月）

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(140) / 评论(0)

2013年VOA慢速英语(二)月

【小龟乐游记】蝙蝠侠：阿甘之城（20）

文本： Mr.Freeze:Please,find Nora.She is all I have left.It's over.That was all I could _(1)_. Batman:Harley Quinn took it. Mr.Freeze:Then what are you waiting for? Go and get it back.The clown must pay for what he has done to us. Batman:___(2)___

发表于:2018-12-28 / 阅读(120) / 评论(0)

小龟乐游记英语短文

英语听力精选进阶版 127

12 June 2014: Arklow, Co. Wicklow Thu, 12 Jun 14 Duration: 6 mins Kynochs munitions factory in Arklow employed thousands of men, women and children to make artillery shells many risking their lives in the process.

发表于:2018-12-29 / 阅读(108) / 评论(0)

英语听力精选进阶版

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(156) / 评论(0)

2017年VOA慢速英语(七)月

老友记第一季 09 The One Where Underdog Gets Away

本集简介：乔伊为卫生机构的海报当模特，后来方知那是治疗性病的广告。罗斯发现苏珊在为卡萝肚里的孩子念书听，不甘示弱决定照做。因父母外出，罗斯和莫妮卡开始准备自己的感恩节大

发表于:2019-01-05 / 阅读(253) / 评论(0)

老友记(六人行)

白宫里的科学狂读《三体》的奥巴马

WASHINGTON President Barack Obama has started initiatives to study the brain and gene-based diseases. He has led attacks on the Ebola virus and antibiotic resistance. Last month, he wrote an academic article in a prominent medical journal. 华盛顿美

发表于:2019-01-07 / 阅读(119) / 评论(0)

英语新闻

SSS 2008-11-12

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say that the best offense is a good defense. And the best defense might be the most offensive. Take, for example, the barfing caterpillars of the be

发表于:2019-01-08 / 阅读(186) / 评论(0)

Scientific American(十一)月

美联社新闻一分钟 2006-10-12

[1] President Bush says the US is working toward a strong UN resolution on North Korea. This comes as the United Nations is weighing sanctions against North Korea for its reported nuclear test. The US

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美联社新闻一分钟2006

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(211) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(175) / 评论(0)

2012年VOA慢速英语(一)月

VOA慢速英语--朝鲜称其拥有小型核武器

AS IT IS 2016-03-10 North Korea Says It Has Small Nuclear Weapon 朝鲜称其拥有小型核武器 North Korean leader Kim Jong Un said Wednesday his country has developed nuclear weapons of a size small enough for a ballistic missile. This is the fi

发表于:2019-01-12 / 阅读(126) / 评论(0)

2016年VOA慢速英语(三)月

生活大爆炸第一季第十三集_2：The Bat Jar Conjecture

-Sheldon：Leonard, excellent. I want to show you something. excellent：太好了 Leonard太好了，我想让你看点东西。 -Leonard：Can it wait? I need to talk to you. 能等一会吗，我们得谈谈。 -Sheldon：Just look. I've designed

发表于:2019-01-28 / 阅读(294) / 评论(0)

生活大爆炸第一季

美国航天探测器揭示彗星状况

US Space Probe to Reveal Comet's Secrets 美国航天探测器揭示彗星状况 A U.S. spacecraft is completing afive-and-a-halfmonth voyage to a distant comet and could create celestial fireworks wh

发表于:2019-01-31 / 阅读(176) / 评论(0)

VOA2005（下）--环境科学探索

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

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VOA常速英语2007年（十一月）

大学英语边练边背单词(8)

Lesson - 8 1. The patient has been ______ of the safety of operation . A. assured B. guaranteed C. entrusted D. confirmed patience 耐心，耐性 patient 病人 operation 手术，操作 assure 保证，

发表于:2019-02-01 / 阅读(119) / 评论(0)

考研英语

俄罗斯认为叙利亚反对派实用化学武器

MOSCOW, July 10 (Xinhua) -- Moscow guarantees that the conclusions of its expertise conducted over use of chemical weapons in Syria are correct, Russian Foreign Minister Sergei Lavrov said Wednesday. We guarantee that the trials were taken by the exp

发表于:2019-02-18 / 阅读(124) / 评论(0)

英语新闻

Promoted Siena name Sannino as coach

ROME, June 6 (Xinhua) -- Newly-promoted Serie A side Siena named Giuseppe Sannino as their new coach on Monday replacing new Juventus handler Antonio Conte. The 54-year-old was given a warm welcome by club president Massimo Mezzaroma despite of no co

发表于:2019-02-26 / 阅读(207) / 评论(0)

英语新闻

GRE阅读考生回忆：美国原始人的起源

Recent discoveries in New World archaeology along with newscientific methods for analyzing data have led to new ideas regarding theorigin of the first peoples of the Americas and their time of arrival. 新大陆考古发现和新的科学方法 The t

发表于:2019-03-11 / 阅读(275) / 评论(0)

GRE英语

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