trek

穿越喜马拉雅山的长途徒步既充满挑战又收获颇丰。

The ___trek through the Himalayas was both challenging and rewarding.

许多冒险家梦想完成前往珠穆朗玛峰大本营的长途徒步。

Many adventurers dream of completing the ___trek to the base camp of Mount Everest.

许多冒险家梦想完成穿越撒哈拉沙漠的多日徒步旅行。

Many adventurers dream of completing the multi-day ___trek across the Sahara Desert.