Once an electric car reaches a charging station, it can take up to six hours to charge.

一旦电动汽车到达充电站，充电时间需要长达6个小时。

youdao

By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.

用增加和减少每天黑暗小时数的方法，科学家已经能够控制植物生长，如同控制一个电器开关。

youdao

Private rooms with electric massage chairs help while away the hours before takeoff, or ask one of the onsite professional masseurs for a rubdown.

带有电子信息椅的私人休息室可以帮助你消磨等待飞机的漫长时间，当然您也可以选择请一位专业按摩专家来驱散您全身的疲惫。

youdao

He said Iraqis average about nine hours a day without electric power.

VOA: special.2010.08.07

's 787 Dreamliner have an electric charge of 65 ampere hours.

WSJ: Corrections & Amplifications

Donald Markeley, Southeast's chief operating officer, plans to sell 165 million kilowatt-hours a year of electric output at maybe 8 cents apiece.

FORBES: International

The "quick drop" system was supposed to remove one of the main obstacles to the adoption of electric vehicles, namely the several hours it takes to recharge a flat battery.

WSJ: Electric-Battery Startup Better Place to Fold