A football which generates enough electricity to charge a mobile phone or power a light from a brief kick about is undergoing trials in World Cup host country South Africa.
在世界杯主办国南非，一种通过短暂一踢而产生足够电能、并能为一部手机充电或者为一个LED灯供能的足球正在接受试验。
As Alan Pardew said, you would struggle to see this sort of turnaround in a seven-a-side Sunday kick about, let alone in the Premier League.
如阿兰·帕杜所说，你很难在周日的七人制业余比赛中看到这种逆转，更何况英超联赛。
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