take about half an hour的意思|示意

How long does it take you to do your homework every day? About half an hour.

你每天做作业要花多长时间？大约半小时。

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。

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。

The tour will take about an hour and a half. We ought to be back here by 8:88.

参观大概要一个半小时春兰空调配件，8点钟以前回到这里。

The tour will take about an hour and a half.

参观大概要一个半小时，3点钟以前回到这里。

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。