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Idiom: On my back 一个人不停地对某人唠叨 Hit the book: Harness Sustainable Emission Inexhaustible Mitigate Turbine
1. bicentennial /ˈbaisenˈtenjəl/ -- two hundredth anniversary The bicentennial of George Washington's birth was celebrated in 1932. 乔治华盛顿200周年生日纪念于1932年举行。 2. semicircle /ˈsemɪˌsɜ:kəl/ -- half of a circle At th
Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power
By Carrie Giardino Talks between a militia leader and the Nigerian president aimed at ending further violence in the oil-rich southern region are in a third day in Abuja. But the rebel leader has accu
Bird-friendly Bladeless Wind Turbine Mimics Nature Energy created by conventional three-blade wind turbines is cheap, sustainable and pollution-free. But according to current estimates, the devices' fast-moving blades kill up to 300,000 birds annuall
Can you imagine a world where more than half of our common plant species and a third of our known animals disappear from sight? That's the scenario suggested by new research on the impact of climate change. An international team of researchers looked