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

这项耗资24亿美元的任务是美国航天局第九次登上火星表面。

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。

He treks to Duke to see her several times a year to make sure the tumor hasn't returned.

他每年都要长途跋涉到杜克去看她几次，以确定肿瘤没有复发。

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

“机遇号”继续长途跋涉，来到“奋进”陨石坑，比它出发时的陨石坑大1000倍。

When the harrowing trek to the border is made during the low temperatures of winter months, migrants are especially vulnerable.

当他们艰苦跋涉来边境却正赶上寒冷的冬季时，移民们的身体就会尤其脆弱。

We trekked to fetch water from the nearby streams.

我们徒步从附近的溪流中取水。

Now people of all religions trekked to the mountaintop.

现在，各种宗教的人们都徒步登上了山顶。

He's on a three-month trek to the South Pole and back by himself.

JAD：他要徒步三个月去南极，然后独自一人返回。

So I decided to trek around to these sites and collect soil samples teeming with bacteria.

因此，我决定徒步前往这些地点，收集充满细菌的土壤样本。

In 1999, when he was nine, he was deemed old enough to make the trek to rejoin them.

1999 年，当他 9 岁时，他被认为可以长途跋涉重新加入他们。

The route has since enjoyed a huge resurgence, with 100,000 pilgrims trekking to Santiago each year.

从那以后，这条路线重新焕发了生机，每年有 100,000 名朝圣者徒步前往圣地亚哥。

Nepal is a poor country that benefits from tourism but its government blames the companies offering guided treks to the summit for the deaths.

尼泊尔是一个受益于旅游业的贫穷国家，但尼泊尔政府将死亡人数归咎于那些提供带领徒步旅行前往峰会的公司。

Come along with me now, as we take a trek to Ethiopia where a startup company is working to transform the country's discarded plastic into sustainable building materials.

现在跟我一起去埃塞俄比亚，那里有一家初创公司正在努力将该国的废弃塑料转化为可持续建筑材料。

It's the key to whether individual farmers can provide for their families, face unemployment and ultimately whether whole communities stay on the land or trek to the cities.

它决定了一个农民能否养家糊口，是否会面临失业而且最终决定他们是要继续留在田里务农还是去城市中谋生。

The first official trek to Gobbler's Knob was made on February 2, 1887. It is said that Punxsutawney Phil (the groundhog) was named after King Phillip.

1887 年 2 月 2 日， 第一次正式徒步前往 Gobbler's Knob。 据说 Punxsutawney Phil（土拨鼠）是以菲利普国王的名字命名的。

This is all part of SpaceX's Polaris Dawn mission, a suspense-filled five-day trek to parts of space no human has gone since NASA's Apollo space program ended in 1972.

这是SpaceX的北极星黎明任务的一部分，也是一段充满悬念的五天旅程，前往自1972年NASA阿波罗计划结束以来人类从未涉足过的太空区域。

This camel caravan, trekking all the way to the market in Khartoum in the Sudan, is a reminder that this has long been a crossroads of trade.

这支骆驼商队一路跋涉前往苏丹喀土穆的市场，提醒人们这里长期以来一直是贸易的十字路口。

Here in Guatemala, laundry day without running water means these women have to leave their family, interrupt their farm work, and trek three hours to this dirty pond.

在危地马拉，没有自来水的洗衣日意味着这些妇女不得不离开家人，中断农活，长途跋涉三个小时来到这个肮脏的池塘。

Desperately hungry after months without food, she's carefully monitoring her cubs to determine when they'll be ready for a marathon 50-mile trek to the bay where she can finally hunt for food again.

几个月没吃东西后，她极度饥饿，她仔细观察着她的幼崽们，以确定它们什么时候能准备好长途跋涉 50 英里去海湾，在那里她终于可以再次寻找食物。

And then after school, or sometimes before, or sometimes both, trekking four hours to the nearest water source, standing in long queues just to get a few drops from a drying well.

然后放学后， 有时放学前， 有时两者兼而有之，徒步四个小时到最近的水源， 排长队，只为从干涸的井里取几滴水。