Or, standing in a river, he would wait for hours until a fish tickled his line.

或者，他又会整个人插在河里，石雕般地站上好几小时，直到那鱼儿“胳肢”他的鱼线。

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Choose three or four jokes that really tickled you from the Internet or a joke book.

从网上或笑话书上选取三到四个真正能让你发笑的笑话。

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As expected, they found increased activity in the somatosensory cortex (the part of the brain responsible for the sensation of touch) when a volunteer was tickled either by a member of the team, or by himself.

ECONOMIST: Neuroscience: Tickled curiosity | The