In the dry months of the year a simple ferry crosses a river in southeastern Sierra Leone; a car-carrying pontoon propelled by men with notched wooden sticks that lock to the guiding cable.

在每年干旱的几个月里，有一条简易渡轮往返于塞拉利昂东南的河流两岸。人们通过开过槽并固定在导索上的木棒推进能承载车辆的浮筏。

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Over the weekend, militants tried but failed to blast their way into an American base in eastern Afghanistan, striking before dawn with rocket-propelled grenades and a car bomb.

上周末，武装人员在黎明前发动袭击，试图用火箭筒和汽车炸弹炸出一条通往阿富汗东部地区一个美国基地的路，但最终失败了。

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GM introduced the Chevrolet Volt Concept Car, a vehicle propelled by an electric motor powered by a battery, in 2007.

通用公司2007年推出雪弗莱volt概念车，这是一种由电池提供动力的电力马达驱动的汽车。

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The Finn made his return to F1 in 2012 after a two-year absence and propelled his Lotus car towards the front of the grid, grabbing a win at the Abu Dhabi Grand Prix on his way to finishing third in the drivers' championship.

CNN: Kimi Raikkonen: Lotus can win F1 title