Question

adrenalin, adrenaline

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a∙dren∙a∙lin, adrenaline / æˈdrɛnlən ; əˈdrenəl-ən /
◙noun [U]
1. a chemical produced by your body when you are afraid, angry, or excited, which makes your heart beat faster
• 肾上腺素:
 »There's nothing like a good horror film toget the adrenalin going(=make you feel nervously excited) .
  好的恐怖片最能让人看得血脉贲张。