单词:
单词: 相关文章
32 A Robot Babysitter In 2005 Japan made a new robot. It can take care of a child. The new robot is called iPapero. It weighs 13.2 pounds, and has a body of 15.2 by 10.3 and by 9.8 inches. iPapero is a small robot, but it has many special skills. It
Adults can have a tough time learning a new language. Some opt for language immersion, in which the person spends all their time reading, listening to and speaking the new language. Now research reveals that immersion students do indeed learn the new
This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi
By Carol Pearson Washington, DC 08 November 2006 watch Heart Stent report Heart stents are lifesaving medical devices that help prevent heart attacks. Most of these stents are coated with various drugs, but mounting data suggest drug-coated stents c
Como la flor Con tanto amor Yo s que tienes un nuevo amor Sin embargo, te deseo lo mejor Si en m, no encontraste felicidad Tal vez, alguien ms te la dar Como la flor Con tanto amor Me diste t, Se marchit Me marcho hoy Yo s perder Pero, ay, cmo me due