雅思口语教你怎么笑？

rib-tickling jokes 令人捧腹大笑的笑话

hilarious videos 滑稽的视频

make us giggle 让我们咯咯地笑

While rib-tickling jokes and hilarious videos certainly do make us giggle, most of the time we laugh because of something much simpler: being with other people.虽然那些令人捧腹大笑的笑话和滑稽的视频肯定会让我们咯咯地笑，但是大多数时候我们发笑却是因为一些非常简单的事情，例如说，跟其他人在一起。

30 times more likely to laugh when we're with other 当和其他人在一起的时候，想发笑的可能性是独处时的30倍

So much so that we are 30 times more likely to laugh when we're with others, according to a study by neuroscientist Robert Provine from the University of Maryland.由马里兰大学的神经学家罗伯特·普罗文执导的一项研究表明，当和其他人在一起的时候，想发笑的可能性是独处时的30倍。

makes us split our sides让我们捧腹大笑

So, what is it about other people that makes us split our sides?所以，是他人身上的什么东西让我们捧腹大笑呢?

enjoy a good chortle 哈哈大笑

be tickled 被挠痒痒

Indeed, chimpanzees, gorillas and even rats all enjoy a good chortle, especially when being tickled.确实如此，黑猩猩、大猩猩，甚至老鼠都很会哈哈大笑，特别是在他们被挠痒痒的时候。