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1·Penny s brain teaser this morning.

我在想佩妮早上说的脑筋急转弯。

2·It's more of a brain teaser than a practical piece of communication.

这不是实用的交流方式，而是脑筋急转弯。

3·This brain teaser site provides a variety of games and trivia to challenge your mind.

这个脑筋急转弯网站提供各种不同的游戏和琐事游戏挑战你的大脑。

4·Actually it would be much better if we adopt this story into a brain teaser. Why did this man die of hunger?

其实还不如把这个故事改成脑筋急转弯：为什么这个男人饿死了？

5·Brain teasers Network - With daily brain teasers and an assortment of popular and challenging games brain teaser Network is a handy site for building mental capacity.

Brain Teasers Net work—通过日常的脑筋急转弯和具有挑战有受欢迎的游戏集合，该网站是增加你心智容量的便利之所。

6·Now, brain teaser boffs are being challenged by Playbuzz to see if they can spot what's wrong in this sentence and colourful list of Numbers below - in fewer than five seconds.

现在，Playbuzz向脑筋急转弯爱好者发起挑战，五秒之内测试他们是否可以发现在这些句子和各种颜色的数字当中发现错误。

7·The answer reminded me of a brain-teaser that's been entertaining me for the past couple of months.

这个回答让我想起了几个月来一直在思考的一个脑筋急转弯问题。

8·This is the latest brain-teaser taking the Internet by storm, inviting people to take on the challenge in fewer than five seconds.

这是最近风靡网络的脑筋急转弯，让人在五秒钟内挑战成功。

9·Then both groups took the brain-teaser test again.

随后这两组学生要再做一次脑筋急转弯测试。

10·Similar brain-teaser programs are available on home computers, sometimes free of charge. The scientific jury is still out on the efficacy of such software.

类似的脑部锻炼软件在家庭电脑上也有，有时甚至是免费的，而科学界对于此类软件的效果还没有一个定论。