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This is scientific American's 60 seconds science. I'm Sophie Bushwick, got a minute. Tens of millions of years ago, cephalopods were hiding from enemies in clouds of ink. And it turns out thatcuttlefish today producing ink that's almost identical. Re
Scientific American(五)月
This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.
Scientific American(五)月
(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex
托福听力短文
民俗在发展如此迅速的中国经历着困难时期。随着来自国外的新观念和新想法的涌入，许多人担心这些民俗会消失。 Listen Read Learn Folk customs have a difficult time in China that is undergoing such rapid development. Many fear that these customs will disappe
英语口语大赢家
Illinois Senator Barack Obama and former Arkansas Governor Mike Huckabee have won the Iowa caucuses held in that Midwestern state on Thursday. Obama, who won the most votes in the Democratic Party caucuses, is the first person of African descent to h
VOA双语新闻 2008年1月
Many women around the world use skin-lightening beauty products in an effort to improve their looks. The World Health Organization, or WHO, reports that the country with the highest percentage of women using such products is Nigeria. In its 2011 repo
2019年VOA慢速英语(二)月