To go there and come back by bike will only take about half an hour...

骑自行车来回仅用半个小时的时间。

youdao

And, since average swimming speed is about 3kph (2mph) even a single rescue mission can take more than half an hour.

而且，由于平均游泳速度约为3千米每小时(2英里每小时)，所以单单一项拯救任务就要耗费半个多小时。

youdao

The tour will take about an hour and a half. We ought to be back here by 3:00.

参观大概要一个半小时，3点钟以前回到这里。

youdao

Dr Stojanovic and his colleague Joanna Macdonald have used this approach to build simple DNA-based circuits capable of playing tic-tac-toe (though they take about half an hour to make each move).

ECONOMIST: DNA computing

And in fact, students at Yale who wish to participate in ROTC must drive to the University of Connecticut at least once a week, a trip that could take about an hour and a half each way.

NPR: U.S. Government Punishes Schools That Ban Military Recruiting

The town has a population of over 2, 000 and Mr Morgan said that although it will take someone with a car about half-an-hour to travel to Dolgellau it will involve considerably more effort for anyone who has to travel by bus.

BBC: Gwynedd register office closures: Public views sought