单词：delved into
单词：delved into 相关文章
This is Scientific Americans 60-Second Science, I am Cynthia Graber. This will just take a minute. Western Mexico and countries on the west coast of South America had ancient relationships, involving trade in goods and culture. Now MIT students have
Scientific American(四)月
By Jim Malone Washington 24 July 2007 The eight Democratic contenders for president in 2008 faced off in a debate Monday evening that featured an unusual format. The candidates faced questions from average citizens put to them on video through the vi
2007年VOA标准英语（七月）
MARY LOUISE KELLY, HOST: I let you down. I should have acted faster and more decisively - the words of NPR CEO Jarl in an email to our newsroom. He met with NPR staff this afternoon two days after he asked for the resignation of senior vice president
2017年NPR美国国家公共电台11月
Even as a child, Ed Dwight had a gift for art. But he set that talent aside to focus on careers that included engineer, test pilot, astronaut trainee (the first African American in the program) and entrepreneur. It was as the owner of a large constru
VOA标准英语2010年(三月)
It seemed as if there was no end of strangeness. For the first time, as James Trefil has put it, scientists had encountered an area of the universe that our brains just arent wired to understand. Or as Feynman expressed it, things on a small scale be
万物简史
Mon Dieu, I hope the sun hasn't affected me, he muttered. 上帝啊，我不是被太阳晒昏了吧，他喃喃自语道。 A slight movement attracted his attention, and he saw that Ata was lying on the floor, sobbing quietly. 一个人影晃动了一
月亮和六便士