They're taking part in a race to the top of Ben Nevis.

他们正在参加登上本尼维斯山顶峰的比赛。

Ben Nevis is Scotland's highest peak.

本内维斯山是苏格兰最高的山峰。

Ben Nevis is the highest mountain in Britain (1,343m).

本尼维斯山为英国最高峰，海拔1,343米。