1.The experiments they did on rats showed that running alone raises stress levels and slows down brain cell growth.

slow down（使）慢下来

We turned to see the approaching car slow down.

我们转身看见驶近的车慢慢停下@wCLZo)=S_。

2.These results suggest that, with no social interaction, a normally positive experience can have a negative influence on the brain.

have influence on有影响

It can enhance economic aad will have influence on people's ideology.

它能提高经济增长率，并且对人们的意识方面有很大的影响I9UjU,ERkn)*+e。

KZ%C^M)odPM4Lk|,#5T36n[!TslhrYkg,_ehlMBH|f!ddTsu==2naT 来源:可可英语 http://www.kekenet.com/broadcast/201706/512638.shtml