[化] 阶梯减光板

大学生活英语-Using a Parking Meter(3)

A: This parking meter is really confusing. Can you help me figure it out? B: It's just like the old one, but with new stuff added. A: Yeah, OK. B: The first step is deciding on debit or credit card payment, so which one is it? A: I have coins. B: Per

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英语情景对话-大学生活

step by step3000 第三册 11 A Fast Growing Economy: Tourism

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

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step by step 3000 第三册

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step by step 3000 第三册

step by step3000第三册 Unit 6 Breakthroughs in Science

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step by step 3000 第三册

step by step3000第三册 Unit 7 Future of Communication

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step by step 3000 第三册

step by step3000第三册 Unit8 New Ideas,New Architecture

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step by step 3000 第三册

step by step3000 第三册 Unit 9 Ways to Travel

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step by step 3000 第三册

step by step3000 第三册 Unit 10 Love and Hate of Oil

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step by step 3000 第三册

step by step3000 第三册 Unit 12 Review

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step by step 3000 第三册

step by step3000第三册 Unit1 International Relations

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step by step 3000 第三册

step by step 3000 第三册Unit 5 New Explorations in Food

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step by step 3000 第三册

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娱乐新天地Trailer 2006-舞出我人生 / Step Up

Step Up (Movie) Everyone deserves a chance to follow their dreams, but some people only get one shot. Tyler Gage (Channing Tatum) is a rebel from the wrong side of Baltimore's tracks and the only thing that stands between him and an unfulfilled life

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娱乐新天地Trailer 2006

VOA标准英语2012--Volunteers Step Up to Help in US After Isaac

Volunteers Step Up to Help in US After Isaac Hurricane Isaac caused serious flooding in rural communities outside New Orleans, forcing thousands of residents to evacuate. Now, these Volunteers from AmeriCorps are helping coordinate the relief effort

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step by step 第三册 lesson 117

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VOA慢速英语2011--Next Step After Carbon: Knowing Your Nit

Next Step After Carbon: Knowing Your Nitrogen Footprint This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 A carbon footprint is the amount of carbon dioxide pollution that we produce as a result of o

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2011年VOA慢速英语(四)月

VOA标准英语2012--European Leaders Take Partial Step Toward Stabilization

European Leaders Take Partial Step Toward Stabilization European leaders gathered in Brussels from all parts of the region and nearly as many points of view. In the end, they agreed to move toward tighter control of banks in countries that use the eu

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VOA标准英语2012年(十月)

VOA标准英语2013--NRA Leaders Step Up Calls to Fight Restrictions on Gun Ownership

NRA Leaders Step Up Calls to Fight Restrictions on Gun Ownership NRA members came from all over the country to rally for the right to bear arms guaranteed by the Second Amendment to the U.S. Constitution, which is under threat, according to NRA Execu

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英语听力：自然百科金星和水星旅行指南 Venus and Mercury-3

Craters here stretch as far as the eye can see. Although no human has ever set foot on Mercury, we have a pretty good idea of what you would see. If you are walking around on the surface of Mercury, it will look outwardly a lot like the moon. When yo

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step by step 3000 第三册 Unit 4 World News: Up in Space

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学英语单词

automatic error detection and retransmission

backerin

background collimating point