单词：airship aerodynamics
单词：airship aerodynamics 相关文章
The pioneers of flight have captured public imagination, but the history of aviation is a catalogue of human tragedy and technical disaster. The catastrophic loss of the Hindenburg airship, and the dr
其他文化
But people won't decide to do it until they recognize the need for it, and that's the problem that we have right now. 但是直到人民意识到真正的需要，才会决定去做，这就是现在的问题所在。 So there's been plenty of people
TED演讲教育篇
Topics: American Presidents-John Tyler; The Hindenburg Disaster; result versus consequence versus outcome; ready versus willing; to keep (someone) in the loop Words: delegate to follow in (someone's) footsteps legislature to run for office to resign
空中美语初级
Principal: Well it looks to me as if we shall have to fit him in somewhere. What does Monday morning look like? Secretary: Well, Monday morning is extremely busy. You've got all the short list intervi
中级英语听力
Principal: Well it looks to me as if we shall have to fit him in somewhere. What does Monday morning look like? Secretary: Well, Monday morning is extremely busy. You've got all the short list interviews. Principal: Oh goodness. And how long do they
北外英语中级听力
In a giant hanger in Bedford, the largest aircraft in the world is having some finishing touches, this wing is a fresh addition, next up another engine, this is the Airlander 10, the 92-meter long aircraft will have its first test flight in just a fe
英伦广角
Scientists Use Satellites to Identify Groundwater Losses in the Middle East From VOA Learning English, this is SCIENCE IN THE NEWS. Im Avi Arditti. And Im Faith Lapidus. Today we tell about a study of groundwater losses in the Middle East. We also te
2013年VOA慢速英语(五)月
Giant Airship Could Move Huge Amounts of Cargo The prototype unveiled in this immense World War II hangar near Los Angeles is just half the size of the final working model. But the prototype is massive, at 75-meters-long. It is wide, flattened on the
VOA标准英语2013年(三月)
On a cold October day this year in China's Inner Mongolia Autonomous Region, about 100 scientists were busy preparing to test their independently developed high-altitude airship. After a 22 hour flight around 20 kilometers above the earth, the airshi
2015CRI中国国际广播电台
What do a hummingbird, a moth, and a maple tree have in common? They all use a similar trick to fly. Okay, okay, a maple tree doesnt fly. But its seeds kind of do. Maples make those little whirlybird seeds you see spiraling down in droves each sprin
60秒科学
By Mike O'Sullivan Palmdale, California 06 September 2006 Engineers in the California desert are testing a new communications platform that blends modern electronics with old technology. Developers say a helium-filled balloon carrying high-tech equi
2006年VOA标准英语（九月）
Lesson 356 I'm improving. 1.I'm improving.我好多了。 2.My work is improving.我的工作渐有起色。 3.My health is improving.我的健康善正在好转。 4.I'll improve it.我会加以改进。 5.I want to improve my English.我想提高英语
辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句
You know, most people in life major in minor things. That is, theyre focused on how to make a living instead of how to design their life. They get caught up in the day-to-day experiences that they make real important when actually, in the long term,
瞬间秒杀听力