单词：twin-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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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
精美英文欣赏
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
Scientific American(七)月
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
英语阅读理解
[00:16.33]TWINKLE,TWINKLE,LITTLE STAR [00:29.31]how I won-der what you are [00:33.72]Up a-bove the world so high,like a diamond in the sky. [00:42.61]Twin-kle,twinkle.lit-tle star,how I won-der what you are. [00:59.32]When the blazing sun is set,and
小学英语北京版
You look so defeated lying there in your new twin size bed. With a single pillow underneath your single head. I guess you decided that that old queen holds more space than you would need. Now it's in the alley behind your apartment with a sign that s
金属
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
TED演讲科学篇
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
New York's Twin Towers Appear in Many Hollywood Films For almost 30 years, the Twin Towers of the World Trade Center graced the New York skyline. They were 110 stories high and symbolized strength and optimism. The monumental complex in Lower Manhatt
VOA标准英语2011年(九月)
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
阅读空间
By Peter Heinlein Addis Ababa 15 April 2008 Two bomb blasts in the Ethiopian capital Addis Ababa have killed three people and injured 18 others. VOA's Peter Heinlein in Addis Ababa reports the attacks targeted Ethiopia's national oil company. The bla
VOA常速英语2008年（四月）
WASHINGTON, Jan. 1 (Xinhua) -- Twin U.S. spacecraft to study the moon from crust to core put themselves into the lunar orbit on New Year's Eve and New Year's Day, the country's space agency said. The second Gravity Recovery And Interior Laboratory, o
英语新闻
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
英语新闻
By Steve Herman Islamabad 11 March 2008 Two bomb blasts have rocked Pakistan's second-largest city, killing at least 26 peopleand injuring 200 others. One of the explosions occurred at the headquarters of a federal police agency, packed with workers.
VOA标准英语2008年（三月）
By Challiss McDonough Beirut 11 December 2007 Two car bombs have exploded in the Algerian capital, killing at least 62 people and injuring scores more. One of the blasts targeted several U.N. offices, and the United Nations says at least 12 staff mem
VOA常速英语2007年（十二月）
BEIJING, Sept. 6 (Xinhuanet) -- NASA will launch on Thursday twin lunar orbiters built to map the gravity of Earth's moon in unprecedented detail, media reported Tuesday. The twin lunar probes, Graili-A and Graili-B, will blast off from Florida's Cap
英语新闻
In 2013 they will finish building One World Trade Center. It's also known as the Freedom Tower. It will be the tallest building in Manhattan. Tall, schmall, said Hal. Ten years to build it. They built BOTH Twin Towers in just seven years. Those were
英文短篇故事（纽约）
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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