Mountain biking is so dangerous that body armor should be worn.

骑登山车很危险,因此单车骑士应该要穿上护具.

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Asas mountain biking, I have many other exciting hobbies.

除了山地自行车, 我还有许多其他激动人心的爱好.

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Steve: Mountain biking is an Olympic sport?

史提: 登山自行车是奥运项目?

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Mountain biking is an exhilarating sport, but it needs your co - operation to help keep trials open.

骑登山车是令人爽快的运动, 但也需要您的配合.

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