单词：sigma-blade
单词：sigma-blade 相关文章
Thank you very much 非常感谢 First of all, thank you 首先 谢谢你们 I thank you and Dr. Paula WhetselRibeau 谢谢你们 还有宝拉?威索尔里博博士 Thank you for meeting me outside with your daughter 谢谢你带着你女儿在外面接
公众人物毕业演讲
If, as it now seems, every single galaxy has a black hole at its heart, this can't be a coincidence. Perhaps black holes are an essential part of what galaxies are and how they work. No one had expect
超大质量黑洞
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)
ROBERT SIEGEL, HOST: Ridley Scott's science fiction film Blade Runner was a modest hit in theaters in 1982 and a massive one later on video. Scott's punk noir dystopia initially got mixed reviews, but the director kept re-cutting his film. And by 200
2017年NPR美国国家公共电台10月
This Business English Podcast lesson is the first in a series of shows that will follow an employee of a manufacturing company on a training trip to the U.S. Over the series, well practice many situations that will be useful for you on your business
原汁原味商务英语播客