标签：cylinder 相关文章
- 12 - cushion n.垫子,软垫 vt.装垫子;缓和,减轻; customary a.习惯的,惯例的 cyberspace n.虚拟信息空间;网络空间 cycle n.自行车;周期,循环 v.骑自行车;循环 cylinder n.圆筒,圆锥体;汽缸 dam n.水坝,水闸 damn int.该死 vt.遣责；使失败 a.十足的 ad.极 damp n.潮湿
俞敏洪07年考研英语词汇
By Tendai Maphosa London 29 June 2007 Hours after British police defused a bomb in an abandoned car in London's theater district, police say they have found bomb components in a second vehicle in central London. Authorities say both cars contained ca
2007年VOA标准英语（六月）
美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有
VOA标准英语2016年(三月)
Overwhelmed by Migrants, Italy Mulls Action to Stabilize Libya 受移民事件影响意大利考虑采取措施稳定叙利亚 LONDON Thousands more migrants have arrived on the southern shores of Italy from North Africa in the past two days. Authori
VOA标准英语2015年(四月)
How do you to find 1 kilogram? Easy. It's the exact mass of medal cylinder called the international prototype kilogram. IPK, for short. Kept in controlled conditions in France. But the standard kilogram has gained weight since its creation in 1875. T
Scientific American(一)月
Unit 95 Scientists Look Forward to the Past Can time travel really be done? Physicists think that travel into future is possible. Einstein's special theory of relativity, published in 1905, predicted that time should be elastic, stretching or shrinki
英语流行话题阅读：语境识词4500
Unit 33 The Founder of Rolls-Royce (II) About the same time, Charles Rolls was also in business for himself, like Royce, very successfully. But achieving this had been rather less of a struggle for Rolls than it was for his future partner. Rolls was
英语流行话题阅读：语境识词4500
In the early 1800s, a French physician named Ren Laennec had a dilemma. He needed to listen to the heart sounds of a young woman with signs of heart disease. But the only method of listening to heart sounds known to Western medicine at the time was s
英语听力文摘 English Digest
What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio
英语听力文摘 English Digest
Ancient ＂Declaration of Human Rights＂ on Display in Washington, DC Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On the show today, we hear new music from outlaw Shooter Jennings. And, we answer a question about the meaning of
2013年VOA慢速英语(五)月
AMERICAN MOSAIC - Ancient Declaration of Human Rights on Display in Washington, DC Welcome to AMERICAN MOSAIC in VOA Special English. Im June Simms. On the show today, we hear new music from outlaw Shooter Jennings. And, we answer a question about th
2013年VOA慢速英语(三)月
AS IT IS 2015-03-11 New Technology Lets Us Hear Famous Voice from 1880s 新技术让我们听到19世纪80年代著名的声音 Today, March 10th, is the anniversary of the first successful telephone call. Alexander Graham Bell was one of the invento
2015年VOA慢速英语(三)月
By Tom Rivers London 29 June 2007 A British police forensic officer leaves a blue operations tent that police placed over a vehicle which contains a suspected bomb in the Haymarket area near Piccadilly Circus in central London, 29 June 2007 British p
2007年VOA标准英语（六月）
A 2,500-year-old engraved cylinder from the ancient city of Babylon is at the heart of a diplomatic dispute between Iran and Britain. The Cyrus cylinder is believed to be the first written charter of human rights. It's been held in the British Museum
VOA标准英语2010年(六)月
ROBERT SIEGEL, HOST: NASA hopes to send people to Mars sometime in the 2030s. President Trump would like to see that happen even sooner. And at a remote site in the Utah desert, would-be astronauts are already simulating what it would be like to live
2017年NPR美国国家公共电台7月
Scientist uses tree rings to reconstruct 13th century climate Art Chimes | Washington, DC 05 April 2010 Photo: Photos.com Related Links: Angkor paper (full text) Buckley lab We started seeing these big, giant periods of drought that took place around
VOA标准英语2010年(四)月
Just like the people of modern Istanbul, the Byzantines loved fresh bread and fresh vegetables. While the bread，at least the grain for it, they brought from their province of Egypt, the vegetables they grew themselves, in little plots beside their
英语听力：文化博览2008年
New Zealand has chosen two artists to represent our country in Venice for the Biennale Art Exhibition, Judy Millar and Francis Upritchard. They will be among artists from 90 other countries. This is the most famous biennale (which means every two yea
新西兰英语
D: OK, Yael, you want to build an aquatic robot,and you're trying to figure out the most efficient way to move it through water, what do you do? Y: I am guessing the answer isn't to build a robot using a lot of root-force to move forward? D: Anyone w
英语听力文摘 English Digest