之后如果你们俩交往的话，它会在大脑促生生物化学反应，让人们想当然地以为自己陷入爱河。

If the two of you then engage in intercourse, this will create the biochemical reaction in the brain which lay people naively interpret as falling in love.

《生活大爆炸 第二季》《The Big Bang Theory Season 2》

他的研究过程很不稳定，如果没有专业头盔的保护，将会影响大脑化学反应。

The process is highly volatile. If one isn't protected by a specialized helmet, it can affect the brain's chemistry.

《蚁人》《Ant-Man》

释放出大量的复合胺，还有其他的神经传递介质，例如多巴胺跟正肾上腺素这更引起了脑中更大的化学反应。

These same cells are triggered to release enormous amounts of serotonin, along with other neurotransmitters like dopamine and norepinephrine, which trigger even more electrochemical firing in the brain.

《托福学习视频》《TOFEL（无字幕版）》