美国西格纳化学SiGNa Chemistry公司的电动自行车以燃料电池燃料作为动力充电一次行使了约90公里。

SiGNa’s fuel-cell powered electric bike will run for 60 miles on a single charge.

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多特蒙德西格纳尔-伊杜纳公园球场的8万观众刚刚目睹了里贝里为拜仁踢进的第三球，一个灵巧的任意球打进了球门上角。

The 80, 000 people in the Signal Iduna Park had just watched Ribéry score Bayern Munich's third goal with a deft free-kick into the top corner.

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不过罗利市北卡罗莱纳州立大学的工程学教授拉里·西尔弗伯格认为，如果圣诞老人已经学会时空冲浪的话，他或许还是得担心这一点。

Or perhaps he does, if he has learned to surf the waves of space-time, believes Larry Silverberg, an engineering professor at North Carolina State University in Raleigh.

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