trekking
v.
艰苦跋涉，徒步旅行( trek的现在分词 );
（尤指在山中）远足，徒步旅行，游山玩水;
例句:
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When we think of adventurers, many of us conjure up images of larger-than-life characters trekking to the North Pole.
一想到探险者，我们很多人脑海中浮现的便是长途跋涉前往北极的非凡人物形象。
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This year we're going trekking in Nepal.
今年我们准备去尼泊尔远足。
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She can't come pony trekking after all because she's in a delicate condition.
她结果还是不能坐小马车旅行,因为她已怀孕.
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It would mean trekking down to the kitchen again.
来自C. McCullough
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We off-duty chefs have been trekking to this sushi heaven forever.
来自WSJ
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There are dozens of outdoors shops and athletic people sporting the trendiest trekking gear.
来自BBC