单词：surface turbulence
单词：surface turbulence 相关文章
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语时差8，16
Why do golf balls have dimples(酒窝, 涟漪)?So that they look cute? NO! Because the dimples maximize the distance golf balls travel. Dimpled balls travel up to four times farther than smooth-surfac
奥运英语
Economic Turbulence Forecast for 2012 There are encouraging signs for the world's largest economy as 2011 comes to an end. American consumers are spending more, the housing market is improving, and employers are laying off fewer workers. But the unre
VOA标准英语2011年(十二月)
By Gary Thomas Washington 18 December 2007 For Pakistan, 2007 was a year of unrest and political turmoil. After seven years in power, President Pervez Musharraf faced the first direct and sustained challenges to his rule from armed Islamic groups and
VOA常速英语2007年（十二月）
It's a common enough sound in summer, after the wind finally picks up on a hot and humid afternoon, as the rain starts spattering down in big, fat drops--you're in for a full-blown thunderstorm. It's much less common in winter, even during a snow sto
英语听力文摘 English Digest
Jet streams, usually located about 30,000 to 35,000 feet up, can bowl along at up to 180 miles an hour and vastly influence weather systems over whole continents, yet their existence wasn't suspected until pilots began to fly into them during the Sec
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