单词：vacuum ingot melting
单词：vacuum ingot melting 相关文章
It is often said that cats have nine lives, that they are lucky enough to escape from danger again and again. Here is a science fiction tale about how one such lucky escape by a cat led to a discovery that was able to change the course of people's l
英语散文阅读
RACHEL MARTIN, HOST: Good morning. I'm Rachel Martin. We all need some extra Z's now and then, even the pope. Turns out, Pope Francis gets some shut eye wherever he can, even in moments of prayer. The 80-year-old pontiff told Catholic TV 2000 that so
2017年NPR美国国家公共电台11月
Voice 1 Hello. Im Mike Procter. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Gianna Jessen
环球英语 Spotlight
US Could by 2017 Be World's Biggest Oil Producer The International Energy Agency says that by 2017 the United States is likely to overtake Saudi Arabia as the world's biggest oil producer. The Paris-based energy agency said Monday in its annual forec
英语新闻
New Supercomputer Could be World's Fastest Scientists at the Oak Ridge National Laboratory in the U.S. state of Tennessee have unveiled what could be the worlds fastest supercomputer. The new computer, named Titan, is capable of making more than 20,0
英语新闻
RIO DE JANEIRO, March 8 (Xinhua) -- Brazilian tennis legend Gustavo Guga Kuerten received his official induction into the Hall of Fame of tennis on Thursday. The athlete received the prestigious honor in Sao Paulo by the current directors of the Hall
英语新闻