单词：solid inner ring
单词：solid inner ring 相关文章
Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. Support for NPR Podcasts comes from Visa, offering the Visa signature card, featuring concierge services for travel, din
2007年NPR美国国家公共电台
Well, it's helped us, but we're a little different in the sense of the amounts of money that we have received thus far. Ours has been about $22 million. We received money basically in categorical grants. We got CDDB or community development funds, we
CNN2010年(二)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion
Scientific American(九)月
New research suggests ayahuasca, a jungle vine found in the Peruvian rainforest, can have a powerful effect on the human central nervous system when brewed with other plants. Researchers say one of ayahuasca's most promising uses could be in treating
VOA标准英语2010年(三月)
European Leaders Take Partial Step Toward Stabilization European leaders gathered in Brussels from all parts of the region and nearly as many points of view. In the end, they agreed to move toward tighter control of banks in countries that use the eu
VOA标准英语2012年(十月)