这些徒步旅行者在喜马拉雅山脉跋涉了整整一个月。

The ___trekkers spent a whole month trekking through the Himalayas.

这群徒步旅行者计划沿着安第斯山脉的小径行走两周。

The ___trekkers planned to walk along the Andean trails for two weeks.