今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现， Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无...
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Three-dimensional cell phones and batteries that last much longer are just two of the techonogies that could become commonplace in the next few years. For the fifth year, IBM has looked at the horizons of research, picked five technologies and announ...
Homes are rising on the National Mall in Washington, D.C. No, it's not a return of Hoovervilles thanks to the Great Recession. These are solar homes competing in the U.S. Department of Energy's Solar Decathlon, which starts October 8. From Cornell Un...
Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In...
