Your first challenge is to begin your upwards trek.

你的第一个挑战开始往上跋涉。

The hump stores fat, providing energy for their long, desert trek.

驼峰积聚着脂肪，为它们长距离的沙漠旅行提供能量。

The 2.4-billion-dollar mission is the U.S. space agency's ninth trek to the Martian surface.

这项耗资24亿元的任务航天局第九次登上火星表面。

Ancient humans ate as they trekked.

古人会在艰苦跋涉的中进食。

Yeah, so it was different times each trek.

的，? 每次徒步都在同的时间段。

The county digs public boreholes but residents must still trek many kilometers to reach them.

这个地区有公共钻井，但居民要长跋涉几公里才能到达。

That's why you put your whole family together and make this trek.

这就为什么你把你的家人团结在一起进行这次徒步旅行的原因。

Sure sounds a lot easier than trekking into the dermatologist, right?

当然这听起来比跋山涉水去找皮肤科医生要容易地多，？

Members also have the opportunity to trek to areas across Arizona to look for precious fungi.

成员们还有机会跋涉亚利桑那州各地，寻找宝贵的菌类。

Opportunity continued its long trek to Endeavour crater, 1,000 times larger than the crater in which it had started off.

“机遇号”继续长跋涉，来到“奋进”陨石坑，比它出发时的陨石坑大1000倍。

This trek took us 11 days, 150 kilometers.

这次旅行花了11天，我们走了150公里。

Like Worf from " Star trek" That was getting coffee!

跟里Worf似的 在拿咖啡那女的！

Oh, it seems like a very nice place to go trekking as well.

哦，看起来那也个适合徒步旅行的好地方。

And then the next day, we trekked for a little bit to come back to the city.

第二天，我们又徒步了一小段距离，返回城区。

This trek is being specifically organized to help education in the Semira region.

组织这次徒步旅行主要为了帮助Semira地区的教育。

The trek west continued through the 1930s until the beginning of World War II.

艰难的西进持续了整个上世纪三十年代，一直到二战开始。

The animals have trekked about 500 km over the last month from their original habitat.

过去一个月，象群从原栖息地跋涉了约500公里。

Oh nice. How long was the trek?

真好。你进行了多长时间的徒步旅行？

As a trekking guide himself, he said he is also in " a difficult situation" .

昂普巴自己也徒步向导，他说他也处于困境。

In rural China, that may mean a long trek each morning, passing through a cave or two on the way.

在中农村每天早上都意味着中要穿越一两个洞穴的艰苦跋涉。