The Hughes Model 300 is an American three-seat version of the Hughes 269 light helicopter.

美国休斯300型是休斯269型的三座轻型直升机改进型。

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His three-point, lap and shoulder seat belt first appeared on cars in Europe fifty years ago.

VOA: special.2010.02.09

among many other things he argued that the South actually had the chance to finally be liberated from being the seat of all of America's sins, by three things.

他观点独特,他说南方事实上有过机会,不再承担美国的所有罪恶,他列举了三点理由

耶鲁公开课 - 美国内战与重建课程节选

But Havens says that for those three muddy days at Woodstock, politics and activism took a back seat to peace, love and cheerfully dealing with the rain and mud.

VOA: standard.2009.08.15

It's understood the commission may look again at its three seat Belfast plan (the Alliance likes it, the SDLP hates it).

BBC: Peter Robinson takes the grandstand view

As part of these luxury systems, the company showcased its new Inspiration seating which converts a typical three-seat second-row seating in a car to two lounge seats.

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Following the retirement of the US space shuttle in 2011, the only way to transfer astronauts to the International Space Station (ISS) is aboard the three-seat Russian Soyuz vehicle.

BBC: Major Tim Peake says he is not too old to go into space