单词：subnarial
单词：subnarial 相关文章
Astronauts at the International Space Station have overcome initial fears and are preparing to perform the first spacewalk beneath the shuttle to repair two dangling pieces of material. The material, used to fill gaps between tiles, is sticking out b
英语听力文摘 English Digest
George Soros -- the financial crocodile George Soros wants to be the Bono of the financial world. The speculator whose assault on sterling ejected Britain from the European exchange rate mechanism that September of 10 years ago has a mission－－to u
每天一点英文
An assistant at the morphing matter lab drops a few pieces of flat dry pasta into a pot of boiling water. In a few minutes, these rigid flat strips will turn into soft spiral shapes called fusilli that can hold a lot of tasty sauce. Packaging dry pas
VOA标准英语2018年(十月)
Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
VOA标准英语2014年(二月)
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)
By David McAlary Washington 14 March 2007 International financier George Soros is giving $3 million to help public health experts fight a lethal, drug-resistant form of tuberculosis in sub-Saharan Africa. VOA's David McAlary in Washington reports tha
2007年VOA标准英语（三月）