单词：concentric cylinders
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When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en
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Juno Gets a Close-up Look at Jupiter 朱诺近距离观看朱诺卫星 The spacecraft Juno successfully passed close to Jupiter Saturday as it orbits the solar systems largest planet. NASA, the American space agency, said the spacecraft passed about
2016年VOA慢速英语(九)月
From NPR News in Washington, I'm Barbara Klein. The man accused of the deadly shooting at Washington's Holocaust Museum in June has died. 89-year-old James von Brunn died today at the federal prison in North Carolina. The self-declared white supremac
2010年NPR美国国家公共电台1月
And that harpoonso like a corkscrew nowwas flung in Javan seas,and run away with by a whale, years afterwards slain off the Cape of Blanco.The original iron entered nigh the tail, and,like a restless needle sojourning in the body of a man,travelled f
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When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en
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OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one
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This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. When Harry Potter slips underneath his invisibility cloak, he can wander freely undetected, but what about a cloak of silence, one that completely deaden
Scientific American(六)月
Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t
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Overdid it , and think it might happen again? Before you start feeling guilty, know that taking a too-strict approach after a binge will most certainly backfire. One of the biggest mistakes I see is people beating themselves up and then trying to und
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When Henry ford decided to produce his famous v-8 motor, he chose to build an engine with the entire eight cylinders cast in one block, and instructed his engineers to produce a design in one for the engine. The design was placed on paper, but the en
励志英语
Lesson Thirteen 听力部分 Dialogue Completion: Listen to the tape repeatedly and try to complete the following dialogues, using the exact words or phrases that you hear on the tape. A A: I'm not going to do _______ to your ___, man. B: I'm sorry?
王强口语 第二册
In the mid 1800s, a man in France and a man in Massachusetts both came up with ways to record soundbut as a pattern on paper much the way the dots and dashes of Morse code look on paper. Nobody had figured out how to record sounds and play them back
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So I'm banging out my story and I know it's good, and then I start to make it -- 我大声说出我的故事，我知道很好笑，为了让故事... Suddenly, you can see that the responses in all of the subjects lock to the story, 突然间，所有
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Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion peopl
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Ancient Iraqi Relics Find Their Way Home with Help from the FBI 在FBI的帮助下，伊克古文物重回家乡 As Operation Iraqi Freedom rolled through Baghdad in the spring of 2003, an estimated 1
VOA2005（上）--文化教育动态
The 5 Foods You Could EVER Eat for Your Body 永远都有利于身体的5种食物 Avocado 牛油果 The guac staple is rich in monounsaturated fats, the good fats that keep you full and help your heart. Plus, a recent study published in the Nutritio
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Paris police have arrested a man on the terrorism watch list after his car was found near the Notre Dame Cathedral with seven gas cylinders inside. 巴黎警方日前逮捕了恐怖主义观察名单上的一名男子，他的车停在圣母院大教堂
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Cylinder 圆柱体 If you have two circles and one rectangle, what can you do with them? 如果你有两个圆和一个矩形，你能用它们做什么？ You can make a cylinder. 你可以做一个圆柱体。 A cylinder has two circular shapes on
与美国小学生一起学英文第12册
Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion people lack clean waterand in most
经济学人综合
On one side stood a long, low, shelf-like table covered with cracked glass cases, filled with dusty rarities gathered from this wide world's remotest nooks. 堂屋的一边,摆有一只又低又长的.架子似的桌子,上面尽是许多破裂的玻璃
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