The activities on offer include sailing and mountain biking.

提供的活动项目有帆船运动和山地骑车。

However, don't just focus on mountain biking.

然而，不要仅仅关注于山地车。

This is a cross between road and mountain biking.

这是一个与公路和山地自行车交叉。

Mountain biking is usually done on an unpaved surface.

山地自行车通常是对一个未表面。

More and more people are getting into mountain biking.

越来越多的人进入山地自行车。