For instance, take a number from the Arabic numeral system, such as 9.

例如，从阿拉伯数字系统中取出一个数字，比如说 9。

youdao

It may take a number of attempts, but it is worth keeping at it.

可能需要多次尝试，但这件事值得坚持做下去。

《柯林斯英汉双解大词典》

For a large test data store, this can take a number of hours.

对于大型的测试数据存储，这将耗费大量的时间。

youdao

Suppose I take a number. I'd like to add up all the digits inside of the number.

我可以用到刚刚提到的工具,来实现这个功能。

麻省理工公开课 - 计算机科学及编程导论课程节选

Situation number two is I take the same number, and I make a row. They are all in one row.

状态二我将采用同样的数字，并且我做了一个箭头，它们全部都在一列上。

麻省理工公开课 - 固态化学导论课程节选

And it's for that whole unit that you've got some heat capacity. How much heat does it take the warm the entire thing up or the insides of the thing up by a degree? It's that number right.

由这个单位你能知道,一些热容的信息，要让这整个装置,或里面放置的东西,升温一度需要多少热量？

麻省理工公开课 - 热力学与动力学课程节选

We can, however, take a number of common-sense steps to help prevent future tragedies.

WHITEHOUSE: Our Top Stories

This has led us to take a number of actions to turn the organizational pyramid upside down.

FORBES

The city's investigation is expected to take a number of weeks to complete.

BBC: Oxford Lord Mayor's comment to be investigated