Researchers: Recycled Concrete's Time Has Come

Researchers: Recycled Concrete's Time Has Come SOUTH BEND, INDIANA Recycling in the construction industry has become big business. It's easy to find new life for everything from old windows to wood beams. But until now, concrete the most widely used

科学美国人60秒 SSS Concrete Defects Could Become Strengths

Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete

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The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi

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Michael通过破坏空调系统使牢区发生骚乱，掩人耳目。趁此机会，他和Sucre来到混凝土墙壁跟前准备凿洞。 [00:07.44]Listen and Share [00:41.42]Michae [00:48.10]Sucre [00:54.39]Let the bulls worry about the noise. [00:56.05]You worry about [00:56.53]how you'r

英语语法：168 Concrete Versus Cement

Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h

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1.His proposal is very _______. We do not need any explanation. A. concrete B.loyal C.grey D.draft 2.This is a _______ computer, which we just bought for our research. A. detective B.luggage C.digital D.grave 3.The two pictures are _______. We dont k

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[00:10.40]Now youre talking! [00:13.84]So,have you had any more thoughts about what youre going to do next year,them? [00:19.70]Mm.I dont know,really. [00:24.14]I mean.I was thinking that it might be a good idea to do that art course I was telling yo

VOA标准英语2008年-US-Polish Missile Deal Irks Russia

The United States and Poland have signed an agreement to station elements of a U.S. missile defense shield on Polish soil. In this report from Washington, Senior Correspondent Andr de Nesnera looks at the agreement which is vehemently opposed by Rus

VOA标准英语2008年-Poland, US Sign Missile Agreement

The United States and Poland have formally signed a deal to deploy American missiles in the east European nation. The United States says the missiles are needed to guard against attacks from rogue states like Iran; Russia says the deployment threate

VOA标准英语2013--Volunteers Help Revive LA's Concrete River

Volunteers Help Revive LA's Concrete River Thousands of volunteers turned out on a recent weekend to remove the trash that has been deposited by winter rain storms. The Los Angeles River was lined with concrete in the late 1930s and 1940s, after year

学个词Learn a Word 第778期 Concrete

今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两

DEVELOPMENT REPORT - Long-Life Concrete Bridges

DEVELOPMENT REPORT - Long-Life Concrete Bridges By Jill Moss Broadcast: Monday, June 07, 2004 This is Robert Cohen with the VOA Special English Development Report. Each year, road accidents kill a mil

每日一词【778】concrete：具体的，实质性的

今天我们要学的词是concrete。 Concrete具体的，实质性的。美中战略与经济对话星期二结束。美联社报道说，The United States and China ended two days of high-level talks with few concrete results, 美中结束了为期两

英文短篇故事（纽约）178 Booze and Concrete Don't Mix

The bar owner was upset. His best customer was in the hospital. He had a head injury. What happened? the owners wife asked. He said, He drank too much. When he went outside, he fell down. His head hit the sidewalk. Now he's in the hospital. This isn'

愉悦口语:第206期 具体英文怎么说

讲解文本： concrete 具体的，混凝土的 We still don't have a concrete timeline for the plan. 关于这个计划，我们还没有具体的时间表。 I can't tell you anything concrete. 我也不能跟你说得太具体。 疯狂练习吧！

英语听力文摘 English Digest 39、父母控制软件让恶意网站无法趁虚而入

The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi

Putin: Russia Developing New Kind of Nuclear Missile

By Bill Gasperini Russian President Vladimir Putin says his country is developing a new type of nuclear missile. Mr. Putin spoke at an annual meeting of the armed forces' senior leadership. President

VOA标准英语2008年-New North Korean Missile Site Revealed

As speculation continues over the health of North Korean leader Kim Jong Il, there are new signs the North is advancing its decades-old ballistic missile program. VOA's Kurt Achin reports from Seoul. Private sector intelligence analysts have made pu

VOA常速英语2008年-US to Argue Missile Defense in Moscow

By Colin Mc McCullough Moscow 16 March 2008 Secretary of State Condoleezza Rice and Defense Secretary Robert Gates are preparing to meet with Russian officials in Moscow to discuss a U.S. missile-defense plan for Europe. Colin Mc McCullough reports f

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每一个孩子都是可爱的小天使，但不是每一个天使都能够幸福地飞翔。寂静的墓地里，小小的石碑上，冰冷的石头塑成一副没有表情的石像。那是被剥夺生命权利的小小精灵，永远地长眠于地