单词:calculated wind pressure lever
单词:calculated wind pressure lever 相关文章
Then a strange thing happened. 然后一件怪事发生了。 The house whirled around two or three times and rose slowly through the air. 这屋子旋转了几次,慢慢地升上空中。 Dorothy felt as if she were going up in a balloon. 多萝茜觉
This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Think about flying and you no doubt think about air--the wind in your face, the wind at your back, the wind beneath your wings. Now physicists note that li
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Shirley Griffith. VOICE TWO: A NOAA satellite image of Hurricane Katrina, taken on August 29, 2005 And Im Steve Ember. Powerful storms are called hurricanes when they form over the At
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. VOICE TWO: And Im Barbara Klein. Our subject today: severe ocean storms. (MUSIC) VOICE ONE: September is usually the worst month for hurricanes in the Atlantic Ocean. At
Northland has had heavy rain and strong winds for the past 24 hours with flooding in some areas. About 200mm of rain fell last night and it is still raining. Some farm land is flooded. Some roads and schools are closed and the police said that people
Idiom: Second wind ( get recharged ) Hit the book: Spearhead Test drive Mass produce Mechanics Commercialize In the long term Equip with Autonomous Online search giant Baidu Inc said on Monday that it has set up a new business unit to spearhead its a