He is on a trek through the South Gobi desert.

他正徒步穿越南戈壁沙漠。

《柯林斯英汉双解大词典》

I'd like to trek through the jungle, because I like exciting vacations.

我想去热带丛林中旅行，因为我喜欢充满刺激的假期。

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Nomads travel with their livestock and trek through the state's rugged mountain terrain to reach pastures where they spend the summer months in the mountains and the winter in the shelter of valleys.

游牧民带着他们的家畜在崎岖的山岭地带跋山涉水，寻找牧场。他们整个夏天在山里的牧场，而冬天就转移到山谷中隐蔽的牧场去。

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It would be weeks before he could catch another flight home, but the delay gave him time to hike the Annapurna Circuit, a 14-day trek through the Himalayas.

VOA: standard.2009.12.13

When he goes to Europe on his big sortie, on his big-boy trek through Europe he goes around and he visits all of these botanical gardens.

他的访问团曾到欧洲,在穿越欧洲的成年之旅中,他到处游历,参观了各种植物园

耶鲁公开课 - 欧洲文明课程节选

Players trek through the game as Edgar, a vending machine toy in search of his owner.

FORBES: Cling!: Of Pegs And Platformers

The volunteers first spy their ship anchored four miles offshore, after a trek through the forest.

BBC: The Ship

Kate Middleton is a modern girl, able to stand under paparazzi pressure and trek through Africa gracefully.

FORBES: Are Princesses Still Relevant?