內啡素 nèi fēi sù

endorphin

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. endorphin

Characters

Character Meaning
內 nèi
inside; within; inner
啡 fēi HSK 2
(phonetic component)
素 sù HSK 5
plain, unadorned; vegetarian (food); usually