详细解释:vi. 牛拉货车, 艰苦跋涉
n. 牛车旅行, 艰苦跋涉
词型变化：
名词:trekker动词过去式:trekked过去分词:trekked现在分词:trekking第三人称单数:treks英语解释：
名词 trek:
a journey by ox wagon (especially an organized migration by a group of settlers)any long and difficult trip动词 trek:
journey on foot, especially in the mountainsmake a long and difficult journey例句：
It took the climber a month to trek to the foot of the mountain before they even started their climb.登山者还未开始爬山，光是艰苦地跋涉到山脚下就花了1个月时间。