Time how long it takes you to answer the questions.

记一下自己回答这些问题所需的时间。

《牛津词典》

Can you tell me how long it takes to deliver?

你能告诉我送货需要多长时间吗？

youdao

They asked students aged 13 to 18 how long it takes them to have fun on phones and computers.

他们询问了年龄在13岁到18岁之间的学生，问他们需要花多长时间在手机和电脑上获得乐趣。

youdao

"One of the things the World Bank measured was how long it takes to start a business.

VOA: special.2010.05.10

One of the things you could imagine is just try it on and input, see how long it takes.

你们想出来的方法只是可能就是通过,输入来试试，看运行时间会有多长。

麻省理工公开课 - 计算机科学及编程导论课程节选

So how long it takes to run is related to how many items I end up being able to fit into the knapsack.

所以，运行的时间是和我能够,装进背包的物品数目有关的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Mola then measures how long it takes for a reflection to return to the spacecraft.

BBC: New view of giant Martian volcano

How long it takes RGIII to fully recover, if ever, remains to be seen.

FORBES: RGIII's Devastating Knee Injury Confirms Demand For Athlete Disability Insurance

How long it takes to fully charge a car makes them unrealistic for most one-car households.

FORBES: Solar Car Charging: Still an Unrealistic Option