The following morning, we left Wyoming with my three-speed bike strapped to the roof of the car and our suitcases and my mother's easel piled in the trunk.

第二天早上，我的三速档的自行车捆在车顶上，行李箱和我母亲的画架则塞在汽车尾箱里，我们离开了怀俄明。

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Beetles of that era came in two body styles — hard-top and cabriolet — and with one powertrain option: air-cooled, rear-engine, three-speed manual transmission.

那个时代的甲壳虫有硬顶式和敞篷式两种车身造型，不过动力系统却没得选，只有一款风冷后驱发动机，搭配三速手动变速箱。

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Three speed semi-automatic gearbox.

三种速度半自动变速箱。

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Mallory believed that was the only way they would have the energy and speed to climb the last three hundred meters to the top and return safely.

VOA: special.2010.06.30

At that speed, the pressure is three times the force of gravity.

VOA: special.2010.07.07

"It includes three hundred million dollars to buy new cars for the government, eight billion dollars for high-speed rail projects, such as a 'magnetic levitation' line from Las Vegas to Disneyland, and one hundred forty million dollars for something called 'volcano monitoring.'

VOA: special.2009.02.27

The attraction of the inter-governmental route is speed, but it would increase the risk of a two- or even three-speed Europe.

BBC: Will the euro survive?

There are currently three fixed speed cameras in Swindon and 13 mobile ones.

BBC: Council ends speed camera funding

Robert Lockhart admitted riding his Suzuki Hayabusa, which has a top speed of 190mph, at more than three times the speed limit on the outskirts of Dundee.

BBC: Abernethy biker caught at 122mph denies dangerous driving