Will we float over highways or drive on the road surface as we do now?

我们会漂浮在公路上，还是像现在一样在路面上驾驶？

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Road surface, other traffic, wind noise and driving speed all contributed to the cacophony.

路面，其他交通工具，风声和行驶的速度都会不同程度产生刺耳的声音。

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With 36 meters or 12 levels above the road surface, this bridge became the highest pedestrian bridge in Singapore.

超过路面36米高的12级台阶，使亨德生波浪桥成为了新加坡最高的步行桥。

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When temperatures plunge, the water freezes, expands and causes the road surface to rupture.

BBC: Jetpatchers at work

Sometimes the crew needs to dig out the damaged road surface before filling begins.

BBC: Jetpatchers at work

Work had to be halted when the bones were discovered 2m (6ft 6in) beneath the road surface.

BBC: Reading's Friar Street artefacts analysed