单词：perfectly conducting surface
单词：perfectly conducting surface 相关文章
Japanese Spacecraft Arrives at Asteroid to Study Surface A Japanese spacecraft arrived at an asteroid Wednesday after traveling for more than three years. The Hayabusa2 spacecraft is to perform a new experiment. It will create a crater on the asteroi
2018年VOA慢速英语(六)月
Scientists Create New Maps of Ocean Floor 科学家绘制新的海底地图 Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientist
2014年VOA慢速英语(十)月
In Africa, New Technologies Help Teach Women to Read 在非洲，新技术帮助教女人阅读 More Africans are communicating via text, social media and email. In Senegal, literacy experts are using the new technologies to motivate and teach women
VOA标准英语2014年(十月)
红土场上的滑步技巧 Sliding to return a shot is a common tennis practice on clay courts, but lately players have started using it on grass and hard courts as well. Scientists say it is faster than running and allows athletes to change directi
VOA标准英语2016年(一月)
THE NEXT DAY I woke up with my head unusually clear. Much to my surprise, I was in my stateroom. 第二天，我醒来，头脑特别清爽。令我十分吃惊的是，我竟在我的房中。 No doubt my companions had been put back in their cabin
《海底两万里》中英双语有声读物
If you don't mind, professor, Captain Nemo told me, we'll determine our exact position and fix the starting point of our voyage. It's fifteen minutes before noon. I'm going to rise to the surface of the water. 教授，尼摩船长对我说，如果您
《海底两万里》中英双语有声读物