This will prevent you from getting lost in the first few days of classes, and familiarize you with how long it takes to get from place to place.

这会防止你在上课的头几天里迷路，并使你熟悉从一个地方到另一个地方需要多长时间。

youdao

I also thank you for your patience with how long I took to answer them.

我还要感谢您的耐心，因为过了很长时间我才回答这些问题。

youdao

This sense of trade as an exchange is really fairly new compared with how long the word has been around.

trade这个词“交换”的含义出现较晚，单词本身的历史要久远得多。

youdao

Muse Opiang studied how echidnas eat, by digging in the earth with their long noses to find worms.

VOA: special.2009.07.07

And the obvious question I could start with is, and suppose I ask you, how long does the algorithm implemented by this program take to run?

我开始这个话题的第一个问题是，假设我问你，由这个算法实现的程序大概,要运行多久才能给出答案？

麻省理工公开课 - 计算机科学及编程导论课程节选

If we weren't so pressed for time, I kinda wanna see how long we could get away with this before it gets awkward, but that, in fact, is an infinite loop t hat's hopefully deliberate.

如果有时间，我想看看,我们需要花多长时间解决这一问题，事实上，它是我故意,使用的无穷循环。

哈佛公开课 - 计算机科学课程节选

One day, while working on a bed with hexagonal-shaped posts, Green became exasperated with how long it took to hand-shape pieces.

FORBES: Green Wood

Envirosell, a retail consultancy, has timed shoppers in line with a stopwatch to determine how real wait times compared with how long shoppers felt they had waited.

WSJ: Find the Best Checkout Line

Just as Pavlov's dog learned to associate the sound of a bell ringing with dinnertime, rats can learn to associate flashes of light with how long they must wait to receive a sip of water.

MSN: Goggle-wearing rats show link between learning, rewards