自行车是一种交通手段。
这是一个危险的交通手段,公共汽车有时会中途抛锚。
Break down It is a dangerous means of transport and the buses sometimes break down.
探索如何杜邦产品有助于满足现代交通手段的挑战,无论是在轨道上,道路在海上或空中。
Discover how DuPont products contribute to meeting the challenges for modern means of transportation, whether on rails, road, at sea or in the air.
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