However, repeating such numbers is very challenging.

然而，想要复制这个成功非常具有挑战性。

I double-checked, but it seems we have a repeat number.

我反复核实过了 确实有个号码再次出现了。

She also repeated numbers as well as sounds made by the researchers.

她甚至还重复了研究人员发出的声音和数字。

'Oh, I can repeat any number of poems, if you like, ' said Humpty Dumpty.

“哦，只要你喜欢，我背诵多少首诗都可以。”胖墩儿说。

Like if you need to repeat a phone number to yourself before you dial.

比如你在拨号之前需要重复一个电话号码。

In another test researchers read out a string of numbers and the subjects had to repeat the numbers back.

在另一项测试中，研究人员读出一组随机数字，然后让受试者重复一遍听到的数字。

As you might be able to guess, this means the act of repeating the same exercise a number of times.

你也许能猜到，它的意思是多次重复相同的锻炼。

The scenery repeated this pattern any number of times.

风景多次重复这种模式。

I'm going to repeat that number, four billion tons of CO2 each year.

我要重复这个数字，每年 40 亿吨二氧化碳。

Let me just repeat an arbitrary number of times now.

现在让我重复任意次数。

Remember I spoke about " a week" , that article tells us time period and repeated number?

记得我说过“一周” ，那篇文章告诉我们时间段和重复次数吗？

Do as many of one exercise as you can without stopping, and then try and repeat that number twice more – make sure you sweat, and don't forget to rest for a minute in between!

尽可能多地做一个运动， 不要停下来，然后尝试再重复这个数字两次——确保你出汗了， 不要忘记在中间休息一分钟！