单词：
单词： 相关文章
A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候， I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网
TED演讲科学篇
分集介绍：指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions
麻省理工学院公开课：单变量微积分
Japanese automaker Toyota has suspended sales of some of its most popular models in the U.S. to fix a flaw in the gas pedals that could make the cars accelerate without warning. The suspension comes after a recall last week involving 2.3 million vehi
VOA标准英语2010年(一月)
California Attracts Cars of the Future The hills on the west side of Los Angeles are the perfect place for Scott Painter to experience his passion for cars, especially if they are fast and cutting edge. I've had pretty much all the electric vehicles
VOA标准英语2012年(十二月)
On a day dominated by the initial public offering of the Chinese e-commerce company Alibabas and the first sales of Apples new iPhone 6, Tesla Motors added to the tech-centric buzz by wirelessly upgrading its Model S electric car with a number of new
阅读空间
STEVE INSKEEP, HOST: Tesla sells electric cars - expensive electric cars - and it's finally making money doing that. Yesterday Tesla announced its second quarterly profit in a row, which might be great for the company if CEO Elon Musk wanted to make
2019年NPR美国国家公共电台2月