During this experiment, trillions of germs were released into the transit system during peak travel hours.

在这个实验中，细菌万亿被释放到运输系统在繁忙的旅行时间。

youdao

We spent hours poring over travel brochures.

我们花了几个小时仔细研究旅游宣传册。

《柯林斯英汉双解大词典》

Starting this month, the new Xi'an Chengdu high speed railway will shorten this travel time to three hours.

从这个月开始，新的西安成都高铁将把旅行时间缩短到3个小时。

youdao

"My friends and I have made a list of things we want to do over the summer. Different places to travel, to get away to, maybe a beach a few hours away.

VOA: special.2010.06.18

"The day will come when you can see travel between Los Angeles to San Francisco in under 3 hours going 220 miles per hour."

VOA: standard.2010.02.15

"Now we have what we would call rush hour conditions or peak travel conditions for as much as eight hours during the day - about three to four hours in the morning and similar time in the evening."

VOA: standard.2010.07.26

Makes the travel hours go fast.

FORBES: Madison, San Francisco, Beijing

We travel for hours through broad plains of spinifex and red-earth anthills and see few other vehicles and no human settlements except, at the end of long rough dirt tracks, temporary Roy Hill rail-construction camps.

NEWYORKER: The Miner��s Daughter

You can travel for hours though pristine terrain and only occasionally be jolted from your reverie by turning a bend in the river to be confronted by the raw scar of a Chinese-financed dam under construction.

FORBES: Land of Apocalypse Now