He says the substances are especially dangerous because they travel through the air and stay in the atmosphere, soil and water.

VOA: special.2009.06.23

so that the relatively small distances like from San Francisco to LA, we travel through Greyhound bus

所以相对比较短的距离，比方说从旧金山到洛杉矶，我们坐灰狗汽车，

和朋友一起逛洛杉矶 - SpeakingMax英语口语达人

Shigeru We will be doing it as we travel with Shigeru through different points going to the train station or from the train station on the bus, looking to see how it was the same as it used to or how it's different from what they know.

我们会跟随着,在来往火车站的旅途中,从不同角度，体验七夕节,同以往相比的异同。

麻省理工公开课 - 媒体、教育、市场课程节选

Andrew and Samantha are trying to get back to safety in the United States but they have to travel through the so-called infected area in Mexico.

VOA: special.2010.10.29

Victor Weisskopf's suggestion resulted in an explanation of how electrons travel through semiconductors.

VOA: special.2010.11.09

The campsite moves with you as you travel through the park.

VOA: special.2009.08.19

It was not possible to travel straight through because of the Rocky Mountains and the deep snow that fell in winter.

VOA: special.2010.04.26

The only passenger on that first stage to travel all the way through to San Francisco was a newspaper reporter named Waterman Ormsby.

VOA: special.2010.04.26

The blue light is the product of a long travel path through the snow or ice.

VOA: special.2010.01.05

"We will use the tremendous capabilities of this ion propulsion system to climb out of orbit around Vesta, travel for almost another three years through the asteroid belt to dwarf planet Ceres and then go into orbit around Ceres and undertake the same kind of measurements there that we'll be doing at Vesta.

VOA: special.2011.07.27