单词：twin-blade
单词：twin-blade 相关文章
Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t
2015年VOA慢速英语(七)月
Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall
VOA标准英语2015年(十一月)
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)
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
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）