The power supply socket should be removed firstly prior to using this electricwarming appliance.
要使用电暖宝必须先拔掉电源插头。
2
With gas at more than three dollars a gallon and more people concerned about global warming, electric vehicles have found a new surge of popularity.
随着汽油涨到每加仑3美元以上和更多的人关心全球变暖，电动车辆突然变得大受欢迎。
3
JUST as Al Gore's film, An Inconvenient Truth, has raised awareness of global warming, a new documentary about the demise of the electric car is about to ignite another environmental debate.