We walk on and on in the dark over the loose gravel.

我们在黑暗中，在松软的砂砾上不停地走啊走。

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Two young men were racing motorcycles on the loose gravel.

两个小伙子正在松散的砾石路面上赛摩托车。

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The loose gravel traps are therefore being replaced by rough tarmac.

因此，松散的沙砾缓冲区被粗糙的柏油碎石面取代。

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He won the opening three stages on Friday but rolled his Subaru on loose gravel, starting a small fire and forcing organisers to cancel the stage for the production cars following behind.

BBC: Gonholm spits out the dust after his crash

Hirvonen and Loeb both slowed dramatically on the first day's final stage in order to avoid being the first cars on the road on Saturday, when they anticipated loose gravel on the surface would slow the leader relative to the chasing pack.

CNN: Latvala victory ends Loeb's winning streak