Level 6 · word 18,959 of 20,000

endorphin

/enˈdɔːrfɪn/ American
  • n. 内啡肽
Definition
  • n. a chemical produced in the brain that reduces pain and creates feelings of pleasure
Example
Running releases endorphin chemicals that make you feel happy.
跑步会释放让人感到愉悦的内啡肽。