单词：magnetic induction line
单词：magnetic induction line 相关文章
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
2014年VOA慢速英语(十二)月
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪
每日攻克5词
New Skateboard Defies Gravity WASHINGTON A futuristic dream only a couple of decades ago, the hoverboard a skateboard that floats above the ground - has finally been made possible. While still not ready for mass production, it promises to become a co
VOA标准英语2014年(十一月)
Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve
英语听力文摘 English Digest
BEIJING, Feb. 28 (Xinhua) -- Construction began on China's first low-speed maglev(磁力悬浮火车) line Monday in Beijing, a project that will make China only the second country with a low-speed maglev line after Japan. The project marked China's
英语新闻
Why do we always want to go faster? I am talking about travel. We want our cars, trains and planes to get us to places quicker. This century, there's been a rise in high-speed rail travel as people have seen the benefits of this form of transport. I
英语听力精选进阶版