脑内啡

Traditional form:

腦內啡

Pinyin (reading):

nǎonèifēi

Definitions:

• endorphin

Characters:

• 脑 - brain
• 内 - inside
• 啡 - coffee; morphine

Traditional characters:

• 腦 - brain
• 內 - inside
• 啡 - coffee; morphine